- daringadj.Brave
 
- darklingadv.Blindly
 
- Darwinismn.The doctrine that natural selection has been the prime cause of evolution of higher forms
 
- dastardn.A base coward
 
- datumn.A premise, starting-point, or given fact
 
- dauntlessadj.Fearless
 
- day-mann.A day-laborer
 
- dead-heatn.A race in which two or more competitors come out even, and there is no winner
 
- dearthn.Scarcity, as of something customary, essential ,or desirable
 
- death's-headn.A human skull as a symbol of death
 
- debasev.To lower in character or virtue
 
- debatableadj.Subject to contention or dispute
 
- debonairadj.Having gentle or courteous bearing or manner
 
- debutn.A first appearance in society or on the stage
 
- decagonn.A figure with ten sides and ten angles
 
- decagramn.A weight of 10 grams
 
- decalitern.A liquid and dry measure of 10 liters
 
- decaloguen.The ten commandments
 
- Decameronn.A volume consisting of ten parts or books
 
- decametern.A length of ten meters
 
- decampv.To leave suddenly or unexpectedly
 
- decapitatev.To behead
 
- decapodadj.Ten-footed or ten-armed
 
- decasyllablen.A line of ten syllables
 
- deceitn.Falsehood
 
- deceitfuladj.Fraudulent
 
- deceivev.To mislead by or as by falsehood
 
- decencyn.Moral fitness
 
- decentadj.Characterized by propriety of conduct, speech, manners, or dress
 
- deciduousadj.Falling off at maturity as petals after flowering, fruit when ripe, etc
 
- decimaladj.Founded on the number 10
 
- decimatev.To destroy a measurable or large proportion of
 
- decipherv.To find out the true words or meaning of, as something hardly legible
 
- decisivead.Conclusive
 
- declamationn.A speech recited or intended for recitation from memory in public
 
- declamatoryadj.A full and formal style of utterance
 
- declarativeadj.Containing a formal, positive, or explicit statement or affirmation
 
- declensionn.The change of endings in nouns andadj.to express their different relations of gender
 
- decoratev.To embellish
 
- decorousadj.Suitable for the occasion or circumstances
 
- decoyn.Anything that allures, or is intended to allures into danger or temptation
 
- decrepitadj.Enfeebled, as by old age or some chronic infirmity
 
- dedicationn.The voluntary consecration or relinquishment of something to an end or cause
 
- deducev.To derive or draw as a conclusion by reasoning from given premises or principles
 
- defacev.To mar or disfigure the face or external surface of
 
- defalcatev.To cut off or take away, as a part of something
 
- defamationn.Malicious and groundless injury done to the reputation or good name of another
 
- defamev.To slander
 
- defaultn.The neglect or omission of a legal requirement
 
- defendantn.A person against whom a suit is brought
 
- defensibleadj.Capable of being maintained or justified
 
- defensiveadj.Carried on in resistance to aggression
 
- deferv.To delay or put off to some other time
 
- deferencen.Respectful submission or yielding, as to another's opinion, wishes, or judgment
 
- defiantadj.Characterized by bold or insolent opposition
 
- deficiencyn.Lack or insufficiency
 
- deficientadj.Not having an adequate or proper supply or amount
 
- definiteadj.Having an exact signification or positive meaning
 
- deflectv.To cause to turn aside or downward
 
- deforestv.To clear of forests
 
- deformv.To disfigure
 
- deformityn.A disfigurement
 
- defraudv.To deprive of something dishonestly
 
- defrayv.To make payment for
 
- degeneracyn.A becoming worse
 
- degeneratev.To become worse or inferior
 
- degradationn.Diminution, as of strength or magnitude
 
- degradev.To take away honors or position from
 
- dehydratev.To deprive of water
 
- deifyv.To regard or worship as a god
 
- deignv.To deem worthy of notice or account
 
- deistn.One who believes in God, but denies supernatural revelation
 
- deityn.A god, goddess, or divine person
 
- dejectv.To dishearten
 
- dejectionn.Melancholy
 
- delectableadj.Delightful to the taste or to the senses
 
- delectationn.Delight
 
- deleteriousadj.Hurtful, morally or physically
 
- delicacyn.That which is agreeable to a fine taste
 
- delineatev.To represent by sketch or diagram
 
- deliquescev.To dissolve gradually and become liquid by absorption of moisture from the air
 
- deliriousadj.Raving
 
- deludev.To mislead the mind or judgment of
 
- delugev.To overwhelm with a flood of water
 
- delusionn.Mistaken conviction, especially when more or less enduring
 
- demagnetizev.To deprive (a magnet) of magnetism
 
- demagoguen.An unprincipled politician
 
- demeanorn.Deportment
 
- dementedadj.Insane
 
- demeritn.A mark for failure or bad conduct
 
- demisen.Death
 
- demobilizev.To disband, as troops
 
- demolishv.To annihilate
 
- demonstrableadj.Capable of positive proof
 
- demonstratev.To prove indubitably
 
- demonstrativeadj.Inclined to strong exhibition or expression of feeling or thoughts
 
- demonstratorn.One who proves in a convincing and conclusive manner
 
- demulcentn.Any application soothing to an irritable surface 
 
- demurragen.the detention of a vessel beyond the specified time of sailing
 
- dendroidadj.Like a tree
 
- dendrologyn.The natural history of trees
 
- denizenn.Inhabitant
 
- denominatev.To give a name or epithet to
 
- denominationn.A body of Christians united by a common faith and form of worship and discipline
 
- denominatorn.Part of a fraction which expresses the number of equal parts into which the unit is divided
 
- denotev.To designate by word or mark
 
- denouementn.That part of a play or story in which the mystery is cleared up
 
- denouncev.To point out or publicly accuse as deserving of punishment, censure, or odium
 
- dentifricen.Any preparation used for cleaning the teeth
 
- denudev.To strip the covering from
 
- denunciationn.The act of declaring an action or person worthy of reprobation or punishment
 
- depletev.To reduce or lessen, as by use, exhaustion, or waste
 
- deplorableadj.Contemptible
 
- deplorev.To regard with grief or sorrow
 
- deponentadj.Laying down
 
- depopulatev.To remove the inhabitants from
 
- deportv.To take or send away forcibly, as to a penal colony
 
- deportmentn.Demeanor
 
- depositionn.Testimony legally taken on interrogatories and reduced to writing, for use as evidence in court
 
- depositorn.One who makes a deposit, or has an amount deposited
 
- depositoryn.A place where anything is kept in safety
 
- depravev.To render bad, especially morally bad
 
- deprecatev.To express disapproval or regret for, with hope for the opposite
 
- depreciatev.To lessen the worth of
 
- depreciationn.A lowering in value or an underrating in worth
 
- depressv.To press down
 
- depressionn.A falling of the spirits
 
- depthn.Deepness
 
- derelictadj.Neglectful of obligation
 
- deridev.To ridicule
 
- derisibleadj.Open to ridicule
 
- derisionn.Ridicule
 
- derivationn.That process by which a word is traced from its original root or primitive form and meaning
 
- derivativeadj.Coming or acquired from some origin
 
- derivev.To deduce, as from a premise
 
- dermatologyn.The branch of medical science which relates to the skin and its diseases
 
- derrickn.An apparatus for hoisting and swinging great weights
 
- descendantn.One who is descended lineally from another, as a child, grandchild, etc
 
- descendentadj.Proceeding downward
 
- descentn.The act of moving or going downward
 
- descryv.To discern
 
- desertv.To abandon without regard to the welfare of the abandoned
 
- desiccantn.Any remedy which, when applied externally, dries up or absorbs moisture, as that of wounds
 
- designatev.To select or appoint, as by authority
 
- desistv.To cease from action
 
- desistancen.Cessation
 
- despairn.Utter hopelessness and despondency
 
- desperadon.One without regard for law or life
 
- desperateadj.Resorted to in a last extremity, or as if prompted by utter despair
 
- despicableadj.Contemptible
 
- despiteprep.In spite of
 
- despondv.To lose spirit, courage, or hope
 
- despondentadj.Disheartened
 
- despotn.An absolute and irresponsible monarch
 
- despotismn.Any severe and strict rule in which the judgment of the governed has little or no part
 
- destituteadj.Poverty-stricken
 
- desultoryadj.Not connected with what precedes
 
- deterv.To frighten away
 
- deterioratev.To grow worse
 
- determinateadj.Definitely limited or fixed
 
- determinationn.The act of deciding
 
- deterrentadj.Hindering from action through fear
 
- detestv.To dislike or hate with intensity
 
- detractv.To take away in such manner as to lessen value or estimation
 
- detrimentn.Something that causes damage, depreciation, or loss
 
- detrudev.To push down forcibly
 
- deviatev.To take a different course
 
- devilryn.Malicious mischief
 
- deviltryn.Wanton and malicious mischief
 
- deviousadj.Out of the common or regular track
 
- devisev.To invent
 
- devoutadj.Religious
 
- dexterityn.Readiness, precision, efficiency, and ease in any physical activity or in any mechanical work
 
- diabolicadj.Characteristic of the devil
 
- diacriticaladj.Marking a difference
 
- diagnosev.To distinguish, as a disease, by its characteristic phenomena
 
- diagnosisn.Determination of the distinctive nature of a disease
 
- dialectn.Forms of speech collectively that are peculiar to the people of a particular district
 
- dialecticiann.A logician
 
- dialoguen.A formal conversation in which two or more take part
 
- diaphanousadj.Transparent
 
- diatomicadj.Containing only two atoms
 
- diatriben.A bitter or malicious criticism
 
- dictumn.A positive utterance
 
- didacticadj.Pertaining to teaching
 
- differencen.Dissimilarity in any respect
 
- differentian.Any essential characteristic of a species by reason of which it differs from other species
 
- differentialadj.Distinctive
 
- differentiatev.To acquire a distinct and separate character
 
- diffidencen.Self-distrust
 
- diffidentadj.Affected or possessed with self-distrust
 
- diffusibleadj.Spreading rapidly through the system and acting quickly
 
- diffusionn.Dispersion
 
- dignitaryn.One who holds high rank
 
- digraphn.A union of two characters representing a single sound
 
- digressv.To turn aside from the main subject and for a time dwell on some incidental matter
 
- dilapidatedpa.Fallen into decay or partial ruin
 
- dilatev.To enlarge in all directions
 
- dilatoryadj.Tending to cause delay
 
- dilemman.A situation in which a choice between opposing modes of conduct is necessary
 
- dilettanten.A superficial amateur
 
- diligencen.Careful and persevering effort to accomplish what is undertaken
 
- dilutev.To make more fluid or less concentrated by admixture with something
 
- diminutionn.Reduction
 
- dimlyadv.Obscurely
 
- diphthongn.The sound produced by combining two vowels in to a single syllable or running together the sounds
 
- diplomacyn.Tact, shrewdness, or skill in conducting any kind of negotiations or in social matters
 
- diplomatn.A representative of one sovereign state at the capital or court of another
 
- diplomaticadj.Characterized by special tact in negotiations
 
- diplomatistn.One remarkable for tact and shrewd management
 
- disagreev.To be opposite in opinion
 
- disallowv.To withhold permission or sanction
 
- disappearv.To cease to exist, either actually or for the time being
 
- disappointv.To fail to fulfill the expectation, hope, wish, or desire of
 
- disapprovev.To regard with blame
 
- disarmv.To deprive of weapons
 
- disarrangev.To throw out of order
 
- disavowv.To disclaim responsibility for
 
- disavowaln.Denial
 
- disbelievern.One who refuses to believe
 
- disburdenv.To disencumber
 
- disbursev.To pay out or expend, as money from a fund
 
- discardv.To reject
 
- discernibleadj.Perceivable
 
- disciplen.One who believes the teaching of another, or who adopts and follows some doctrine
 
- disciplinaryadj.Having the nature of systematic training or subjection to authority
 
- disciplinev.To train to obedience
 
- disclaimv.To disavow any claim to, connection with, or responsibility to
 
- discolorv.To stain
 
- discomfitv.To put to confusion
 
- discomfortn.The state of being positively uncomfortable
 
- disconnectv.To undo or dissolve the connection or association of
 
- disconsolateadj.Grief-stricken
 
- discontinuancen.Interruption or intermission
 
- discordn.Absence of harmoniousness
 
- discountenancev.To look upon with disfavor
 
- discoverv.To get first sight or knowledge of, as something previously unknown or unperceived
 
- discreditv.To injure the reputation of
 
- discreetadj.Judicious
 
- discrepantadj.Opposite
 
- discriminatev.To draw a distinction
 
- discursiveadj.Passing from one subject to another
 
- discussionn.Debate
 
- disenfranchisev.To deprive of any right privilege or power 
 
- disengagev.To become detached
 
- disfavorn.Disregard
 
- disfigurev.To impair or injure the beauty, symmetry, or appearance of
 
- dishabillen.Undress or negligent attire
 
- dishonestadj.Untrustworthy
 
- disillusionv.To disenchant
 
- disinfectv.To remove or destroy the poison of infectious or contagious diseases
 
- disinfectantn.A substance used to destroy the germs of infectious diseases
 
- disinheritv.To deprive of an inheritance
 
- disinterestedadj.Impartial
 
- disjunctiveadj.Helping or serving to disconnect or separate
 
- dislocatev.To put out of proper place or order
 
- dismissaln.Displacement by authority from an office or an employment
 
- dismountv.To throw down, push off, or otherwise remove from a horse or the like
 
- disobediencen.Neglect or refusal to comply with an authoritative injunction
 
- disobedientadj.Neglecting or refusing to obey
 
- disownv.To refuse to acknowledge as one's own or as connected with oneself
 
- disparagev.To regard or speak of slightingly
 
- disparityn.Inequality
 
- dispelv.To drive away by or as by scattering in different directions
 
- dispensationn.That which is bestowed on or appointed to one from a higher power
 
- displacev.To put out of the proper or accustomed place
 
- dispossessv.To deprive of actual occupancy, especially of real estate
 
- disputationn.Verbal controversy
 
- disqualifyv.To debar
 
- disquietv.To deprive of peace or tranquillity
 
- disregardv.To take no notice of
 
- disreputableadj.Dishonorable or disgraceful
 
- disreputen.A bad name or character
 
- disrobev.To unclothe
 
- disruptv.To burst or break asunder
 
- dissatisfyv.To displease
 
- dissectv.To cut apart or to pieces
 
- dissectionn.The act or operation of cutting in pieces, specifically of a plant or an animal
 
- dissemblev.To hide by pretending something different
 
- disseminatev.To sow or scatter abroad, as seed is sown
 
- dissensionn.Angry or violent difference of opinion
 
- dissentn.Disagreement
 
- dissentientn.One who disagrees
 
- dissentiousadj.Contentious
 
- dissertationn.Thesis
 
- disservicen.An ill turn
 
- disseverv.To divide
 
- dissimilaradj.Different
 
- dissipatev.To disperse or disappear
 
- dissipationn.The state of being dispersed or scattered
 
- dissoluteadj.Lewd
 
- dissolutionn.A breaking up of a union of persons
 
- dissolvev.To liquefy or soften, as by heat or moisture
 
- dissonancen.Discord
 
- dissonantadj.Harsh or disagreeable in sound
 
- dissuadev.To change the purpose or alter the plans of by persuasion, counsel, or pleading
 
- dissuasionn.The act of changing the purpose of or altering the plans of through persuasion, or pleading
 
- disyllablen.A word of two syllables
 
- distempern.A disease or malady
 
- distendv.To stretch out or expand in every direction
 
- distensibleadj.Capable of being stretched out or expanded in every direction
 
- distentionn.Expansion
 
- distillv.To extract or produce by vaporization and condensation
 
- distillationn.Separation of the more volatile parts of a substance from those less volatile
 
- distillern.One occupied in the business of distilling alcoholic liquors
 
- distinctionn.A note or designation of honor, officially recognizing superiority or success in studies
 
- distortv.To twist into an unnatural or irregular form
 
- distrainv.To subject a person to distress
 
- distrainorn.One who subjects a person to distress
 
- distraughtadj.Bewildered
 
- distrustn.Lack of confidence in the power, wisdom, or good intent of any person
 
- disunionn.Separation of relations or interests
 
- diurnaladj.Daily
 
- divagationn.Digression
 
- divergentadj.Tending in different directions
 
- diverseadj.Capable of various forms
 
- diversionn.Pastime
 
- diversityn.Dissimilitude
 
- divertv.To turn from the accustomed course or a line of action already established
 
- divertibleadj.Able to be turned from the accustomed course or a line of action already established
 
- divestv.To strip, specifically of clothes, ornaments, or accouterments or disinvestment
 
- divinationn.The pretended forecast of future events or discovery of what is lost or hidden
 
- divinityn.The quality or character of being godlike
 
- divisibleadj.Capable of being separated into parts
 
- divisorn.That by which a number or quantity is divided
 
- divulgev.To tell or make known, as something previously private or secret
 
- divulgencen.A divulging
 
- docileadj.Easy to manage
 
- docketn.The registry of judgments of a court
 
- doen.The female of the deer
 
- dogman.A statement of religious faith or duty formulated by a body claiming authority
 
- dogmaticadj.Making statements without argument or evidence
 
- dogmatizev.To make positive assertions without supporting them by argument or evidence
 
- dolefuladj.Melancholy
 
- dolesomeadj.Melancholy
 
- dolorn.Lamentation
 
- dolorousadj.Expressing or causing sorrow or pain
 
- domainn.A sphere or field of action or interest
 
- domesticityn.Life in or fondness for one's home and family
 
- domicilen.The place where one lives
 
- dominancen.Ascendancy
 
- dominantadj.Conspicuously prominent
 
- dominatev.To influence controllingly
 
- dominationn.Control by the exercise of power or constituted authority
 
- domineerv.To rule with insolence or unnecessary annoyance
 
- donatev.To bestow as a gift, especially for a worthy cause
 
- donatorn.One who makes a donation or present
 
- doneen.A person to whom a donation is made
 
- donorn.One who makes a donation or present
 
- dormantadj.Being in a state of or resembling sleep
 
- doubletn.One of a pair of like things
 
- doublyadv.In twofold degree or extent
 
- dowryn.The property which a wife brings to her husband in marriage
 
- drachman.A modern and an ancient Greek coin
 
- dragnetn.A net to be drawn along the bottom of the water
 
- dragoonn.In the British army, a cavalryman
 
- drainagen.The means of draining collectively, as a system of conduits, trenches, pipes, etc
 
- dramatistn.One who writes plays
 
- dramatizev.To relate or represent in a dramatic or theatrical manner
 
- drasticadj.Acting vigorously
 
- droughtn.Dry weather, especially when so long continued as to cause vegetation to wither
 
- drowsyadj.Heavy with sleepiness
 
- drudgeryn.Hard and constant work in any menial or dull occupation
 
- dubiousadj.Doubtful
 
- ducklingn.A young duck
 
- ductileadj.Capable of being drawn out, as into wire or a thread
 
- duetn.A composition for two voices or instruments
 
- dunv.To make a demand or repeated demands on for payment
 
- duplexadj.Having two parts
 
- duplicityn.Double-dealing
 
- durancen.Confinement
 
- durationn.The period of time during which anything lasts
 
- duteousadj.Showing submission to natural superiors
 
- dutiableadj.Subject to a duty, especially a customs duty
 
- dutifuladj.Obedient
 
- dwindlev.To diminish or become less
 
- dynen.The force which, applied to a mass of one gram for 1 second, would give it a velocity of 1 cm/s