12-Letter Words Starting With D

Here's the list of all the 1447 12-Letter Words Starting With D 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)
distribution
1. (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence
2. the spatial or geographic property of being scattered about over a range, area, or volume
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demonstrated
1. having been demonstrated or verified beyond doubt
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differential
1. relating to or showing a difference
2. involving or containing one or more derivatives
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disciplinary
1. relating to discipline in behavior
2. relating to a specific field of academic study
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dramatically
1. in a very impressive manner
2. in a dramatic manner
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disappointed
1. disappointingly unsuccessful
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departmental
1. of or relating to a department
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discontinued
1. stopped permanently or temporarily
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dissertation
1. a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree
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depreciation
1. a decrease in price or value
2. decrease in value of an asset due to obsolescence or use
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displacement
1. act of taking the place of another especially using underhanded tactics
2. an event in which something is displaced without rotation
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deliberately
1. with intention; in an intentional manner
2. in a deliberate unhurried manner
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disadvantage
1. put at a disadvantage; hinder, harm
2. the quality of having an inferior or less favorable position
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disconnected
1. having been divided; having the unity destroyed
2. marked by sudden changes in subject and sharp transitions
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disagreement
1. a conflict of people's opinions or actions or characters
2. a difference between conflicting facts or claims or opinions
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discriminate
1. recognize or perceive the difference
2. treat differently on the basis of sex or race
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dissatisfied
1. in a state of sulky dissatisfaction
2. fail to satisfy
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denomination
1. a group of religious congregations having its own organization and a distinctive faith
2. a class of one kind of unit in a system of numbers or measures or weights or money
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disappearing
1. the act of leaving secretly or without explanation
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degeneration
1. the process of declining from a higher to a lower level of effective power or vitality or essential quality
2. the state of being degenerate in mental or moral qualities
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deregulation
1. the act of freeing from regulation (especially from governmental regulations)
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dictatorship
1. a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
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disbursement
1. amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)
2. the act of spending or disbursing money
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disqualified
1. make unfit or unsuitable
2. declare unfit
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dissociation
1. the act of removing from association
2. a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently
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deliberation
1. (usually plural) discussion of all sides of a question
2. careful consideration
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disobedience
1. the failure to obey
2. the trait of being unwilling to obey
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domestically
1. with respect to the internal affairs of a government
2. with respect to home or family
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distillation
1. the process of purifying a liquid by boiling it and condensing its vapors
2. a purified liquid produced by condensation from a vapor during distilling; the product of distilling
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disinfection
1. treatment to destroy harmful microorganisms
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degenerative
1. (of illness) marked by gradual deterioration of organs and cells along with loss of function
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discipleship
1. the position of disciple
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discouraging
1. depriving of confidence or hope or enthusiasm and hence often deterring action
2. expressing disapproval in order to dissuade
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debilitating
1. impairing the strength and vitality
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desirability
1. the quality of being worthy of desiring
2. attractiveness to the opposite sex
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delightfully
1. in a delightful manner
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distributive
1. serving to distribute or allot or disperse
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disinfectant
1. preventing infection by inhibiting the growth or action of microorganisms
2. an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
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delicatessen
1. ready-to-eat food products
2. a shop selling ready-to-eat food products
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digitization
1. conversion of analog information into digital information
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domesticated
1. converted or adapted to domestic use
2. accustomed to home life
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desalination
1. the removal of salt (especially from sea water)
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demonstrator
1. a teacher or teacher's assistant who demonstrates the principles that are being taught
2. someone who demonstrates an article to a prospective buyer
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dispensation
1. an exemption from some rule or obligation
2. a share that has been dispensed or distributed
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demonstrable
1. necessarily or demonstrably true
2. capable of being demonstrated or proved
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dehumidifier
1. an appliance to extract moisture from the air and make the environment more comfortable
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deliberative
1. involved in or characterized by deliberation and discussion and examination
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deceleration
1. a decrease in rate of change
2. (physics) a rate of decrease in velocity
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disorganized
1. lacking order or methodical arrangement or function
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deactivation
1. breaking up a military unit (by transfers or discharges)
2. the act of deactivating or making ineffective (as a bomb)
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disregarding
1. in spite of everything; without regard to drawbacks
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declassified
1. lift the restriction on and make available again
2. having had security classification removed
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disagreeable
1. not to your liking
2. unpleasant to interact with
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demonstrably
1. in an obvious and provable manner
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disingenuous
1. not straightforward or candid; giving a false appearance of frankness
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decongestant
1. a drug that decreases pulmonary congestion
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dissociative
1. tending to produce dissociation
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denunciation
1. a public act of denouncing
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doubleheader
1. two games instead of one (especially in baseball when the same two teams play two games on the same day)
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dispossessed
1. physically or spiritually homeless or deprived of security
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disincentive
1. a negative motivational influence
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dimensioning
1. indicating or determining size and position in space
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disintegrate
1. break into parts or components or lose cohesion or unity
2. cause to undergo fission or lose particles
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disenchanted
1. freed from enchantment
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dermatologic
1. of or relating to or practicing dermatology
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digitisation
1. conversion of analog information into digital information
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delimitation
1. a line that indicates a boundary
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disturbingly
1. in a disturbing manner
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disreputable
1. lacking respectability in character or behavior or appearance
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disapproving
1. expressing or manifesting disapproval
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decapitation
1. execution by cutting off the victim's head
2. killing by cutting off the head
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diagrammatic
1. shown or represented by diagrams
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directorship
1. the position of a director of a business concern
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determinable
1. capable of being determined or limited or fixed
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dishonorable
1. lacking honor or integrity; deserving dishonor
2. deceptive or fraudulent; disposed to cheat or defraud or deceive
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disheartened
1. made less hopeful or enthusiastic
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densitometry
1. measuring the optical density of a substance by shining light on it and measuring its transmission
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diversionary
1. (of tactics e.g.) likely or designed to confuse or deceive
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dermabrasion
1. removal of scars or tattoos by anesthetizing the skin surface and then sanding or scraping off some of the outer skin layer
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divertimento
1. a musical composition in several movements; has no fixed form
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demodulation
1. (electronics) the reception of a signal by extracting it from the carrier wave
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deregulating
1. the act of freeing from regulation (especially from governmental regulations)
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discontented
1. showing or experiencing dissatisfaction or restless longing
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disaffection
1. the feeling of being alienated from other people
2. disloyalty to the government or to established authority
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doppelganger
1. a ghostly double of a living person that haunts its living counterpart
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discoverable
1. capable of being ascertained or found out
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12-Letter Words Starting With D