9-Letter Words Starting With M

Here's the list of all the 2251 9-Letter Words Starting With M in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
marketing
1. the exchange of goods for an agreed sum of money
2. the commercial processes involved in promoting and selling and distributing a product or service
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messenger
1. a person who carries a message
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molecular
1. relating to or produced by or consisting of molecules
2. relating to simple or elementary organization
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mechanism
1. the atomic process that occurs during a chemical reaction
2. the technical aspects of doing something
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moderator
1. any substance used to slow down neutrons in nuclear reactors
2. in the Presbyterian church, the officer who presides over a synod or general assembly
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municipal
1. relating or belonging to or characteristic of a municipality
2. of or relating to the government of a municipality
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machinery
1. machines or machine systems collectively
2. a system of means and activities whereby a social institution functions
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migration
1. the movement of persons from one country or locality to another
2. a group of people migrating together (especially in some given time period)
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messaging
1. the sending and processing of e-mail by computer
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measuring
1. the act or process of assigning numbers to phenomena according to a rule
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manhattan
1. a cocktail made with whiskey and sweet vermouth with a dash of bitters
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macintosh
1. a lightweight waterproof (usually rubberized) fabric
2. a waterproof raincoat made of rubberized fabric
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mandatory
1. the recipient of a mandate
2. a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves
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mortality
1. the quality or state of being mortal
2. the ratio of deaths in an area to the population of that area; expressed per 1000 per year
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microwave
1. a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data
2. kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food
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mechanics
1. the branch of physics concerned with the motion of bodies in a frame of reference
2. the technical aspects of doing something
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meanwhile
1. the time between one event, process, or period and another
2. at the same time but in another place
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maternity
1. the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus
2. the kinship relation between an offspring and the mother
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modelling
1. a preliminary sculpture in wax or clay from which a finished work can be copied
2. the act of representing something (usually on a smaller scale)
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miniature
1. being on a very small scale
2. painting or drawing included in a book (especially in illuminated medieval manuscripts)
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magnitude
1. the property of relative size or extent (whether large or small)
2. a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10
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marijuana
1. a strong-smelling plant whose dried leaves can be smoked for a pleasant effect or pain reduction
2. the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
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motivated
1. provided with a motive or given incentive for action
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mediation
1. a negotiation to resolve differences that is conducted by some impartial party
2. the act of intervening for the purpose of bringing about a settlement
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memorable
1. worth remembering
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mythology
1. myths collectively; the body of stories associated with a culture or institution or person
2. the study of myths
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magnesium
1. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
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metabolic
1. of or relating to metabolism
2. undergoing metamorphosis
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milestone
1. stone post at side of a road to show distances
2. a significant event in your life (or in a project)
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malicious
1. having the nature of or resulting from malice
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menopause
1. the time in a woman's life in which the menstrual cycle ends
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malignant
1. dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)
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mastering
1. becoming proficient in the use of something; having mastery of
2. the act of making a master recording from which copies can be made
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medicinal
1. having the properties of medicine
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multitude
1. a large indefinite quantity
2. a large gathering of people
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moonlight
1. work a second job, usually after hours
2. the light of the Moon
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microbial
1. of or involving or caused by or being microbes
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miserable
1. very unhappy; full of misery
2. deserving or inciting pity
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monastery
1. the residence of a religious community
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manifesto
1. a public declaration of intentions (as issued by a political party or government)
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mainframe
1. a large digital computer serving 100-400 users and occupying a special air-conditioned room
2. (computer science) the part of a computer (a microprocessor chip) that does most of the data processing
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motorized
1. equipped with a motor or motors
2. using vehicles
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marvelous
1. extraordinarily good or great; used especially as intensifiers
2. too improbable to admit of belief
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mammalian
1. of or relating to the class Mammalia
2. any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
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medically
1. involving medical practice
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margarita
1. a cocktail made of tequila and triple sec with lime and lemon juice
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mentality
1. a habitual or characteristic mental attitude that determines how you will interpret and respond to situations
2. mental ability
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marseille
1. strong cotton fabric with a raised pattern; used for bedspreads
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morbidity
1. the relative incidence of a particular disease
2. an abnormally gloomy or unhealthy state of mind
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masculine
1. a gender that refers chiefly (but not exclusively) to males or to objects classified as male
2. (music or poetry) ending on an accented beat or syllable
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manganese
1. a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
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menstrual
1. of or relating to menstruation or the menses
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migratory
1. habitually moving from place to place especially in search of seasonal work
2. used of animals that move seasonally
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microfilm
1. record on microfilm
2. film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
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minimized
1. reduced to the smallest possible size or amount or degree
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minimally
1. to a minimal degree
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monograph
1. a detailed and documented treatise on a particular subject
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motorbike
1. ride a motorcycle
2. small motorcycle with a low frame and small wheels and elevated handlebars
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mysticism
1. a religion based on mystical communion with an ultimate reality
2. obscure or irrational thought
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medallion
1. any of various large ancient Greek coins
2. a circular helping of food (especially a boneless cut of meat)
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methadone
1. synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction
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midwifery
1. the branch of medicine dealing with childbirth and care of the mother
2. assisting women at childbirth
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massively
1. to a massive degree or in a massive manner
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magnetism
1. attraction for iron; associated with electric currents as well as magnets; characterized by fields of force
2. the branch of science that studies magnetism
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modernity
1. the quality of being current or of the present
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misguided
1. poorly conceived or thought out
2. wrong in e.g. opinion or judgment
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multiplex
1. communicates two or more signals over a common channel
2. a movie theater that has several different auditoriums in the same building
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modernism
1. genre of art and literature that makes a self-conscious break with previous genres
2. the quality of being current or of the present
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misplaced
1. put in the wrong place or position
2. lost temporarily; as especially put in an unaccustomed or forgotten place
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margarine
1. a spread made chiefly from vegetable oils and used as a substitute for butter
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midsummer
1. June 21, when the sun is at its northernmost point
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modulated
1. altered in volume as well as tone or pitch
2. changed or adjusted in pitch, tone, or volume
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melatonin
1. hormone secreted by the pineal gland
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monstrous
1. abnormally large
2. shockingly brutal or cruel
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mercenary
1. a person hired to fight for another country than their own
2. marked by materialism
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murderous
1. characteristic of or capable of or having a tendency toward killing another human being
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memoranda
1. a written proposal or reminder
2. a written proposal or reminder
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metrology
1. the scientific study of measurement
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mezzanine
1. first or lowest balcony
2. intermediate floor just above the ground floor
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musically
1. in a musical manner
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microchip
1. electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
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mayflower
1. low-growing evergreen shrub of eastern North America with leathery leaves and clusters of fragrant pink or white flowers
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momentary
1. lasting for a markedly brief time
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magically
1. in a magical manner
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meteorite
1. stony or metallic object that is the remains of a meteoroid that has reached the earth's surface
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magnifier
1. a scientific instrument that magnifies an image
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moonstone
1. a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
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modernist
1. an artist who makes a deliberate break with previous styles
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millennia
1. a span of 1000 years
2. (New Testament) in the Book of Revelation it is foretold that those faithful to Jesus will reign with Jesus over the earth for a thousand years; the meaning of these words have been much debated; some denominations (e.g. Jehovah's Witnesses) expect it to be a thousand years of justice and peace and happiness
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metformin
1. an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes
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machinist
1. a craftsman skilled in operating machine tools
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mitigated
1. made less severe or intense
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magnified
1. increase in size, volume or significance
2. to enlarge beyond bounds or the truth
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marmalade
1. a preserve made of the pulp and rind of citrus fruits
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masterful
1. having or revealing supreme mastery or skill
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monologue
1. speech you make to yourself
2. a long utterance by one person (especially one that prevents others from participating in the conversation)
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messianic
1. of or relating to a messiah promising deliverance
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magnetics
1. the branch of science that studies magnetism
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metronome
1. clicking pendulum indicates the exact tempo of a piece of music
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moustache
1. an unshaved growth of hair on the upper lip
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martyrdom
1. death that is imposed because of the person's adherence of a religious faith or cause
2. any experience that causes intense suffering
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miserably
1. in a miserable manner
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momentous
1. of very great significance
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milkshake
1. frothy drink of milk and flavoring and sometimes fruit or ice cream
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modernize
1. make repairs, renovations, revisions or adjustments to
2. become technologically advanced
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melodrama
1. an extravagant comedy in which action is more salient than characterization
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makeshift
1. something contrived to meet an urgent need or emergency
2. done or made using whatever is available
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malformed
1. so badly formed or out of shape as to be ugly
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monotonic
1. of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value
2. sounded or spoken in a tone unvarying in pitch
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mistletoe
1. American plants closely resembling Old World mistletoe
2. Old World parasitic shrub having branching greenish stems with leathery leaves and waxy white glutinous berries; the traditional mistletoe of Christmas
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methylene
1. the bivalent radical CH2 derived from methane
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mannequin
1. a woman who wears clothes to display fashions
2. a life-size dummy used to display clothes
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masochism
1. sexual pleasure obtained from receiving punishment (physical or psychological)
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microcosm
1. a miniature model of something
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mediaeval
1. relating to or belonging to the Middle Ages
2. as if belonging to the Middle Ages; old-fashioned and unenlightened
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macadamia
1. any tree of the genus Macadamia
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moonshine
1. the light of the Moon
2. whiskey illegally distilled from a corn mash
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maelstrom
1. a powerful circular current of water (usually the result of conflicting tides)
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menagerie
1. a collection of live animals for study or display
2. the facility where wild animals are housed for exhibition
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mausoleum
1. a large burial chamber, usually above ground
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motorised
1. equipped with a motor or motors
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mutilated
1. having a part of the body crippled or disabled
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midwinter
1. the middle of winter
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mortgagee
1. the person who accepts a mortgage
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merciless
1. having or showing no mercy
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metalware
1. household articles made of metal (especially for use at table)
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mammogram
1. X-ray film of the soft tissue of the breast
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metalwork
1. the metal parts of something
2. the activity of making things out of metal in a skillful manner
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motivator
1. a positive motivational influence
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matrimony
1. the state of being a married couple voluntarily joined for life (or until divorce)
2. the ceremony or sacrament of marriage
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middleman
1. someone who buys large quantities of goods and resells to merchants rather than to the ultimate customers
2. the performer in the middle of a minstrel line who engages the others in talk
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manoeuvre
1. act in order to achieve a certain goal
2. direct the course; determine the direction of travelling
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mimicking
1. imitate (a person or manner), especially for satirical effect
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millstone
1. (figurative) something that hinders or handicaps
2. any load that is difficult to carry
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mortgaged
1. burdened with legal or financial obligations
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malachite
1. a green or blue mineral used as an ore of copper and for making ornamental objects
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mentation
1. the process of using your mind to consider something carefully
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mercurial
1. relating to or containing or caused by mercury
2. liable to sudden unpredictable change
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matchbook
1. a small folder of paper safety matches
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milligram
1. one thousandth (1/1,000) gram
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minefield
1. a region in which explosives mines have been placed
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muttering
1. a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
2. a complaint uttered in a low and indistinct tone
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maximally
1. to a maximal degree
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malleable
1. easily influenced
2. capable of being shaped or bent or drawn out
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megahertz
1. one million periods per second
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miniskirt
1. a very short skirt
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microgram
1. one millionth (1/1,000,000) gram
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monoamine
1. a molecule containing one amine group (especially one that is a neurotransmitter)
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microcode
1. (computer science) coded instructions that are stored permanently in read-only memory
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miniscule
1. extremely small
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maxillary
1. of or relating to the upper jaw
2. the jaw in vertebrates that is fused to the cranium
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mutagenic
1. capable of inducing mutation (used mainly of extracellular factors such as X-rays or chemical pollution)
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millionth
1. position 1,000,000 in a countable series of things
2. one part in a million equal parts
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mortgagor
1. the person who gives a mortgage in return for money to be repaid
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megaphone
1. a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
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manzanita
1. chiefly evergreen shrubs of warm dry areas of western North America
2. evergreen tree of the Pacific coast of North America having glossy leathery leaves and orange-red edible berries; wood used for furniture and bark for tanning
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marihuana
1. a strong-smelling plant whose dried leaves can be smoked for a pleasant effect or pain reduction
2. the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
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mortician
1. one whose business is the management of funerals
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mistaking
1. putting the wrong interpretation on
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medallist
1. someone who has won a medal
2. (golf) the winner at medal play of a tournament
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mystified
1. totally perplexed and mixed up
2. be a mystery or bewildering to
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mousetrap
1. a trap for catching mice
2. (American football) a play in which a defensive player is allowed to cross the line of scrimmage and then blocked off as the runner goes through the place the lineman vacated
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maddening
1. extremely annoying or displeasing
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mouthwash
1. a medicated solution used for gargling and rinsing the mouth
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matchless
1. eminent beyond or above comparison
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militancy
1. a militant aggressiveness
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magnetite
1. an oxide of iron that is strongly attracted by magnets
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minuscule
1. the characters that were once kept in bottom half of a compositor's type case
2. a small cursive script developed from uncial between the 7th and 9th centuries and used in medieval manuscripts
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medullary
1. containing or consisting of or resembling bone marrow
2. of or relating to the medulla oblongata
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mnemonics
1. a method or system for improving the memory
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minoxidil
1. a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness
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merriment
1. a gay feeling
2. activities that are enjoyable or amusing
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modernise
1. become technologically advanced
2. make repairs, renovations, revisions or adjustments to
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melodious
1. having a musical sound; especially a pleasing tune
2. containing or constituting or characterized by pleasing melody
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motorboat
1. ride in a motorboat
2. a boat propelled by an internal-combustion engine
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malathion
1. a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
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murmuring
1. a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
2. a complaint uttered in a low and indistinct tone
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mortified
1. practice self-denial of one's body and appetites
2. hold within limits and control
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musketeer
1. a foot soldier armed with a musket
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matriarch
1. a female head of a family or tribe
2. a feisty older woman with a big bosom (as drawn in cartoons)
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merganser
1. large crested fish-eating diving duck having a slender hooked bill with serrated edges
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midstream
1. the middle of a stream
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myoglobin
1. a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed
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metaphase
1. the second stage of meiosis
2. the second stage of mitosis
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mesmerize
1. attract strongly, as if with a magnet
2. induce hypnosis in
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mightiest
1. having or showing great strength or force or intensity
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millinery
1. shop selling women's hats
2. hats for women; the wares sold by a milliner
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missional
1. relating to or connected to a religious mission
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marsupial
1. of or relating to the marsupials
2. mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried
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motorcade
1. a procession of people traveling in motor cars
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marauding
1. Raiding and pillaging.
2. characterized by plundering or pillaging or marauding
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marquetry
1. inlaid veneers are fitted together to form a design or picture that is then used to ornament furniture
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mutuality
1. a reciprocality of sentiments
2. a reciprocal relation between interdependent entities (objects or individuals or groups)
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mitomycin
1. a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug
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misbehave
1. behave badly
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masochist
1. someone who obtains pleasure from receiving punishment
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marshland
1. low-lying wet land with grassy vegetation; usually is a transition zone between land and water
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9-Letter Words Starting With M