12-Letter Words Starting With M

Here's the list of all the 1207 12-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)
manufacturer
1. a business engaged in manufacturing some product
2. someone who manufactures something
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modification
1. the act of making something different (as e.g. the size of a garment)
2. slightly modified copy; not an exact copy
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metropolitan
1. relating to or characteristic of a metropolis
2. in the Eastern Orthodox Church this title is given to a position between bishop and patriarch; equivalent to archbishop in western Christianity
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mathematical
1. of or pertaining to or of the nature of mathematics
2. relating to or having ability to think in or work with numbers
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manufactured
1. produced in a large-scale industrial operation
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municipality
1. an urban district having corporate status and powers of self-government
2. people living in a town or city having local self-government
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manipulation
1. exerting shrewd or devious influence especially for one's own advantage
2. the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means
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microbiology
1. the branch of biology that studies microorganisms and their effects on humans
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mesothelioma
1. a form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
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motivational
1. of or relating to motivation
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multilingual
1. using or knowing more than one language
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multilateral
1. having many parts or sides
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mobilization
1. act of assembling and putting into readiness for war or other emergency:
2. act of marshaling and organizing and making ready for use or action
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metaphysical
1. pertaining to or of the nature of metaphysics
2. transcending physical matter or the laws of nature
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multivariate
1. pertaining to any procedure involving two or more variables
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malnutrition
1. a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods
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mechanically
1. in a mechanical manner; by a mechanism
2. in a machinelike manner; without feeling
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multipurpose
1. having multiple uses
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multiplicity
1. the property of being multiple
2. a large number
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mitochondria
1. an organelle containing enzymes responsible for producing energy
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minimization
1. the act of reducing something to the least possible amount or degree or position
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metalworking
1. the activity of making things out of metal in a skillful manner
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mysteriously
1. in a cryptic manner
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manslaughter
1. homicide without malice aforethought
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meticulously
1. in a meticulous manner
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manipulative
1. skillful in influencing or controlling others to your own advantage
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menstruation
1. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
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mythological
1. based on or told of in traditional stories; lacking factual basis or historical validity
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motorcycling
1. riding a motorcycle
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magnetometer
1. a meter to compare strengths of magnetic fields
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mademoiselle
1. small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico
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methotrexate
1. toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
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miraculously
1. in a miraculous manner
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maximization
1. the mathematical process of finding the maximum value of a function
2. the act of raising to the highest possible point or condition or position
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multifaceted
1. having many aspects or qualities
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mobilisation
1. act of marshaling and organizing and making ready for use or action
2. act of assembling and putting into readiness for war or other emergency:
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metaphorical
1. expressing one thing in terms normally denoting another
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mistreatment
1. the practice of treating (someone or something) badly
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maltreatment
1. cruel or inhumane treatment
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merchandiser
1. a businessperson engaged in retail trade
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multivitamin
1. a pill or tablet containing several vitamins
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musicianship
1. artistry in performing music
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mountainside
1. the side or slope of a mountain
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minimisation
1. the act of reducing something to the least possible amount or degree or position
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meaningfully
1. in a meaningful manner; so as to be meaningful
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multicolored
1. having sections or patches colored differently and usually brightly
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magnetically
1. by the use of magnetism
2. as if by magnetism
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misrepresent
1. represent falsely
2. tamper, with the purpose of deception
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middleweight
1. an amateur boxer who weighs no more than 165 pounds
2. a wrestler who weighs 172-192 pounds
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magnificence
1. splendid or imposing in size or appearance
2. the quality of being magnificent or splendid or grand
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malnourished
1. not being provided with adequate nourishment
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monopolistic
1. having exclusive control over a commercial activity by possession or legal grant
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malformation
1. an affliction in which some part of the body is misshapen or malformed
2. something abnormal or anomalous
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memorization
1. learning so as to be able to remember verbatim
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melodramatic
1. having the excitement and emotional appeal of melodrama
2. characteristic of acting or a stage performance; often affected
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misalignment
1. the spatial property of things that are not properly aligned
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methodically
1. in a methodical manner
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misstatement
1. a statement that contains a mistake
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motorcyclist
1. a traveler who rides a motorcycle
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militaristic
1. imbued with militarism
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maintainable
1. capable of being maintained
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misadventure
1. an instance of misfortune
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mycobacteria
1. rod-shaped bacteria some saprophytic or causing diseases
2. rod-shaped bacteria some saprophytic or causing diseases
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marksmanship
1. skill in shooting
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metamorphism
1. change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
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monetization
1. establishing something (e.g. gold or silver) as the legal tender of a country
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monotheistic
1. believing that there is only one god
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misinterpret
1. interpret falsely
2. interpret wrongly
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microsurgery
1. surgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures
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misdirection
1. an incorrect charge to a jury given by a judge
2. incorrect directions or instructions
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12-Letter Words Starting With M