| Term | Definition |
| dearth | shortage |
| debacle | a breakup overthrow sudden disaster |
| decorum | propriety properness |
| decree | order given by authority |
| decry | disapprove of |
| defer | postpone give way (to show respect) |
| deferential | showing respect |
| defiance | open disobedience or resistance |
| delineate | to portray depict sketch out |
| deluge | great flood heavy rush of water |
| demagogue | person appealing not to reasons |
| demur | to hesitate raise objections |
| denigrate | blacken belittle sully defame |
| denouement | an outcome or solution the unraveling of a plot |
| deplete | use until none remains |
| deposition | dethronement depositing |
| deprave | make morally bad corrupt |
| deprecate | protest against express disapproval of |
| dereliction | deserting and leaving to fall into ruins |
| derision | ridicule mockery deriding |
| derivative | unoriginal obtained from another source |
| derogatory | insulting tending to damage |
| descry | catch sight of see something in the distance |
| desiccant | substance used to absorb moisture |
| desuetude | cessation of use disuse |
| desultory | aimless haphazard digressing at random |
| deter | discourage hinder |
| detraction | slandering verbal attack aspersion |
| detumescence | diminishing or lessening of swelling |
| deviance | being different in moral standards (from normal) |
| dexterity | skill (esp. in handling) |
| diaphanous | transparent gauzy |
| diatribe | bitter and violent attack in words |
| didactic | intended to instruct |
| diffidence | shyness |
| dilate | speak comprehensively become wider large |
| disallow | refuse to allow or accept as a correct |
| discern | see with an effort but clearly |
| discomfit | confuse embarrass |
| disconcert | upset the self-possession of |
| discountenance | refuse to approve of |
| discourse | speech lecture |
| discredit | refuse to believe |
| discreet | careful/prudent |
| discrete | individually distinct |
| disdain | look on with contempt |
| disencumber | free from encumbrance |
| disheveled | untidy |
| disingenuous | sophisticated artful trying to deceive cunning |
| disinter | dig up from the earth |
| dislodge | move force from the place occupied |
| dismal | sad gloomy miserable |
| disparate | essentially different |
| disproof | proof to the contrary |
| dissemble | speak or behave so as to hide something (in mind) |
| disseminate | distribute (esp. ideas) |
| dissent | have a different opinion refuse to assent |
| dissolution | disintegration looseness in morals |
| distraught | distracted violently upset in mind |
| divergence | getting farther apart from a point |
| divestiture | taking off getting rid of giving up |
| divulge | make known something secret |
| doggerel | trivial poorly constructed verse |
| dogmatic | positive certain arbitrary without room for discussion |
| dolt | stupid fellow |
| dormant | in a state of inactivity but awaiting development |
| dote | show much fondness center one's attention |
| drawl | slow way of speaking |
| droll | jesting |
| drone | male bee person who isn't self-employed |
| drowsiness | feeling sleepy half asleep |
| dubious | feeling doubt |
| dud | no use person something that fails |
| dulcet | melodious harmonious |
| dupe | cheat make a fool of |
| duplicity | deliberate deception |
| duress | threats to compel smb |
| dwarf | person or smb much below the usual size |
| dynamo | a generator something that produces electric current |
| earthenware | dishes made of baked clay |
| ebullience | exuberance outburst of feeling |
| ebullient | overflowing with enthusiasm showing excitement |
| ecumenical | representing the whole Christian world |
| edacious | voracious devouring |
| eddy | circular or spiral movement (e.g.. of wind) |
| edible | fit to be eaten/not poisonous |
| effete | infertile worn out weak |
| efficacy | production of a desired result |
| effluvia | outflow in a stream of particles a noxious odor or vapor |
| effrontery | boldness impudence arrogance |
| egress | way out exit |
| elaborate | worked out with much care in great detail |
| elegy | a lament a melancholy composition |
| elicit | draw out |
| eloquence | fluent speaking skillful use of language |
| emaciate | make thin and weak |
| embellish | make beautiful |
| embezzle | use in a wrong way for one's own benefit |
| emote | stir up excite |