| cypher | (verb) make a mathematical calculation or computation | Synonyms: calculate, cipher, compute, figure, reckon, work out |
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| (verb) convert ordinary language into code | Synonyms: cipher, code, encipher, encrypt, inscribe, write in code |
| deaerate | (verb) remove air or gas from | Synonyms: de-aerate |
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| decelerate | (verb) lose velocity; move more slowly | Synonyms: retard, slow, slow down, slow up |
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| (verb) reduce the speed of | Synonyms: slow down |
| decerebrate | (verb) remove the cerebrum from (a human body) | - |
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| decertify | (verb) cause to be no longer approved or accepted | Synonyms: derecognise, derecognize |
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| decipher | (verb) read with difficulty | Synonyms: trace |
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| (verb) convert code into ordinary language | Synonyms: decode, decrypt |
| dedifferentiate | (verb) lose specialization in form or function | - |
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| defer | (verb) yield to another's wish or opinion | Synonyms: accede, bow, give in, submit |
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| (verb) hold back to a later time | Synonyms: hold over, postpone, prorogue, put off, put over, remit, set back, shelve, table |
| defervesce | (verb) experience an abatement of a fever | - |
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| deflower | (verb) make imperfect | Synonyms: impair, mar, spoil, vitiate |
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| (verb) deprive of virginity | Synonyms: ruin |
| degenerate | (verb) grow progressively worse | Synonyms: deteriorate, devolve, drop |
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| deglycerolise | (verb) remove from glycerol | Synonyms: deglycerolize |
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| deglycerolize | (verb) remove from glycerol | Synonyms: deglycerolise |
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| deliberate | (verb) discuss the pros and cons of an issue | Synonyms: debate |
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| (verb) think about carefully; weigh | Synonyms: consider, debate, moot, turn over |
| deliver | (verb) cause to be born | Synonyms: bear, birth, give birth, have |
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| (verb) deliver (a speech, oration, or idea) | Synonyms: present |
| (verb) pass down | Synonyms: render, return |
| (verb) utter (an exclamation, noise, etc.) | - |
| (verb) bring to a destination, make a delivery | - |
| (verb) throw or hurl from the mound to the batter, as in baseball | Synonyms: pitch |
| (verb) to surrender someone or something to another | Synonyms: fork out, fork over, fork up, hand over, render, turn in |
| (verb) relinquish possession or control over | Synonyms: cede, give up, surrender |
| (verb) carry out or perform | Synonyms: drive home |
| (verb) hand over to the authorities of another country | Synonyms: deport, extradite |
| (verb) free from harm or evil | Synonyms: rescue |
| (verb) save from sins | Synonyms: redeem, save |
| dematerialise | (verb) become immaterial; disappear | Synonyms: dematerialize |
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| dematerialize | (verb) become immaterial; disappear | Synonyms: dematerialise |
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| demineralise | (verb) remove the minerals or salts from | Synonyms: demineralize |
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| demineralize | (verb) remove the minerals or salts from | Synonyms: demineralise |
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| depersonalise | (verb) make impersonal or present as an object | Synonyms: depersonalize, objectify |
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| depersonalize | (verb) make impersonal or present as an object | Synonyms: depersonalise, objectify |
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| deracinate | (verb) pull up by or as if by the roots | Synonyms: extirpate, root out, uproot |
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| (verb) move (people) forcibly from their homeland into a new and foreign environment | Synonyms: uproot |
| derail | (verb) run off or leave the rails | Synonyms: jump |
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| (verb) cause to run off the tracks | - |
| derange | (verb) throw into great confusion or disorder | Synonyms: perturb, throw out of kilter |
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| (verb) derange mentally, throw out of mental balance; make insane | Synonyms: unbalance |
| derate | (verb) lower the rated electrical capability of electrical apparatus | - |
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| derecognise | (verb) cause to be no longer approved or accepted | Synonyms: decertify, derecognize |
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| derecognize | (verb) cause to be no longer approved or accepted | Synonyms: decertify, derecognise |
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| deregulate | (verb) lift the regulations on | - |
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| derequisition | (verb) release from government control | - |
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| derestrict | (verb) make free from restrictions | - |
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| deride | (verb) treat or speak of with contempt | - |
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| derive | (verb) develop or evolve from a latent or potential state | Synonyms: educe |
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| (verb) obtain from a particular source | - |
| (verb) reason by deduction; establish by deduction | Synonyms: deduce, deduct, infer |
| (verb) obtain | Synonyms: gain |
| (verb) come from; be connected by a relationship of blood, for example | Synonyms: come, descend |
| derogate | (verb) cause to seem less serious; play down | Synonyms: belittle, denigrate, minimize |
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| desert | (verb) leave someone who needs or counts on you; leave in the lurch | Synonyms: abandon, desolate, forsake |
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| (verb) leave behind | - |
| (verb) desert (a cause, a country or an army), often in order to join the opposing cause, country, or army | Synonyms: defect |
| deserve | (verb) be worthy or deserving | Synonyms: merit |
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| deter | (verb) turn away from by persuasion | Synonyms: dissuade |
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| (verb) try to prevent; show opposition to | Synonyms: discourage |
| deterge | (verb) wipe away; to wash off or out, cleanse; chiefly in medical use: to clear away foul matter from the body | - |
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| deteriorate | (verb) grow progressively worse | Synonyms: degenerate, devolve, drop |
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| (verb) become worse or disintegrate | - |
| determine | (verb) reach, make, or come to a decision about something | Synonyms: decide, make up one's mind |
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| (verb) fix conclusively or authoritatively | Synonyms: set |
| (verb) shape or influence; give direction to | Synonyms: influence, mold, mould, regulate, shape |
| (verb) fix in scope; fix the boundaries of | - |
| (verb) establish after a calculation, investigation, experiment, survey, or study | Synonyms: ascertain, find, find out |
| (verb) find out, learn, or determine with certainty, usually by making an inquiry or other effort | Synonyms: ascertain, check, find out, learn, see, watch |
| (verb) decide upon or fix definitely | Synonyms: define, fix, limit, set, specify |
| (verb) settle conclusively; come to terms | Synonyms: settle, square off, square up |
| dicker | (verb) negotiate the terms of an exchange | Synonyms: bargain |
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| didder | (verb) move with or as if with a tremor | Synonyms: shake |
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| differ | (verb) be of different opinions | Synonyms: disagree, dissent, take issue |
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| (verb) be different | - |
| differentiate | (verb) become distinct and acquire a different character | - |
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| (verb) become different during development | - |
| (verb) evolve so as to lead to a new species or develop in a way most suited to the environment | Synonyms: specialise, specialize, speciate |
| (verb) calculate a derivative; take the derivative | - |
| (verb) mark as different | Synonyms: distinguish, secern, secernate, separate, severalise, severalize, tell, tell apart |
| (verb) be a distinctive feature, attribute, or trait; sometimes in a very positive sense | Synonyms: distinguish, mark |
| discern | (verb) detect with the senses | Synonyms: distinguish, make out, pick out, recognise, recognize, spot, tell apart |
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| discerp | (verb) divide into pieces | Synonyms: dismember, take apart |
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| (verb) cut off from a whole | Synonyms: lop, sever |
| disconcert | (verb) cause to lose one's composure | Synonyms: discomfit, discompose, untune, upset |
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| (verb) cause to feel embarrassment | Synonyms: confuse, flurry, put off |
| discover | (verb) get to know or become aware of, usually accidentally | Synonyms: find out, get a line, get wind, get word, hear, learn, pick up, see |
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| (verb) identify as in botany or biology, for example | Synonyms: describe, distinguish, identify, key, key out, name |
| (verb) make known to the public information that was previously known only to a few people or that was meant to be kept a secret | Synonyms: break, bring out, disclose, divulge, expose, give away, let on, let out, reveal, uncover, unwrap |
| (verb) make a discovery, make a new finding | Synonyms: find |
| (verb) see for the first time; make a discovery | - |
| (verb) discover or determine the existence, presence, or fact of by perception with the eyes | Synonyms: detect, find, notice, observe |
| (verb) find unexpectedly | Synonyms: attain, chance on, chance upon, come across, come upon, fall upon, happen upon, light upon, strike |
| disencumber | (verb) release from entanglement of difficulty | Synonyms: disentangle, extricate, untangle |
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| disinherit | (verb) prevent deliberately (as by making a will) from inheriting | Synonyms: disown |
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| disinter | (verb) dig up for reburial or for medical investigation; of dead bodies | Synonyms: exhume |
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| dismember | (verb) separate the limbs from the body | - |
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| (verb) divide into pieces | Synonyms: discerp, take apart |
| disorder | (verb) bring disorder to | Synonyms: disarray |
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| (verb) disturb in mind or make uneasy or cause to be worried or alarmed | Synonyms: cark, disquiet, distract, perturb, trouble, unhinge |
| disperse | (verb) cause to separate | Synonyms: break up, scatter |
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| (verb) cause to become widely known | Synonyms: broadcast, circularise, circularize, circulate, diffuse, disseminate, distribute, pass around, propagate, spread |
| (verb) distribute loosely | Synonyms: dot, dust, scatter, sprinkle |
| (verb) separate (light) into spectral rays | - |
| (verb) move away from each other | Synonyms: dissipate, scatter, spread out |
| (verb) to cause to separate and go in different directions | Synonyms: break up, dispel, dissipate, scatter |
| dissertate | (verb) talk at length and formally about a topic | Synonyms: discourse, hold forth |
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| dissever | (verb) separate into parts or portions | Synonyms: carve up, divide, separate, split, split up |
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| distemper | (verb) paint with distemper | - |
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| dither | (verb) make a fuss; be agitated | Synonyms: flap, pother |
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| (verb) act nervously; be undecided; be uncertain | - |
| diverge | (verb) move or draw apart | - |
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| (verb) extend in a different direction | - |
| (verb) be at variance with; be out of line with | Synonyms: depart, deviate, vary |
| (verb) have no limits as a mathematical series | - |
| diversify | (verb) vary in order to spread risk or to expand | Synonyms: branch out, broaden |
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| (verb) make (more) diverse | - |
| (verb) spread into new habitats and produce variety or variegate | Synonyms: radiate |
| divert | (verb) turn aside; turn away from | Synonyms: deviate |
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| (verb) send on a course or in a direction different from the planned or intended one | - |
| (verb) withdraw (money) and move into a different location, often secretly and with dishonest intentions | Synonyms: hive off |
| (verb) occupy in an agreeable, entertaining or pleasant fashion | Synonyms: amuse, disport |
| dodder | (verb) walk unsteadily, with short steps | Synonyms: coggle, paddle, toddle, totter, waddle |
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| domineer | (verb) rule or exercise power over (somebody) in a cruel and autocratic manner | Synonyms: tyrannise, tyrannize |
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| dower | (verb) furnish with an endowment | Synonyms: endow |
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| effervesce | (verb) become bubbly or frothy or foaming | Synonyms: fizz, foam, form bubbles, froth, sparkle |
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| electioneer | (verb) work actively for a political candidate or a party | - |
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| embitter | (verb) cause to be bitter or resentful | Synonyms: acerbate, envenom |
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| embower | (verb) enclose in a bower | Synonyms: bower |
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| embroider | (verb) add details to | Synonyms: aggrandise, aggrandize, blow up, dramatise, dramatize, embellish, lard, pad |
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| (verb) decorate with needlework | Synonyms: broider |
| emerge | (verb) come out into view, as from concealment | - |
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| (verb) become known or apparent | - |
| (verb) come out of | Synonyms: come forth, come out, egress, go forth, issue |
| (verb) come up to the surface of or rise | - |
| (verb) happen or occur as a result of something | Synonyms: come forth |
| empower | (verb) give or delegate power or authority to | Synonyms: authorise, authorize |
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| (verb) give qualities or abilities to | Synonyms: endow, endue, gift, indue, invest |
| encipher | (verb) convert ordinary language into code | Synonyms: cipher, code, cypher, encrypt, inscribe, write in code |
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| encounter | (verb) contend against an opponent in a sport, game, or battle | Synonyms: meet, play, take on |
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| (verb) come together | Synonyms: come across, meet, run across, run into, see |
| (verb) come upon, as if by accident; meet with | Synonyms: bump, chance, find, happen |
| (verb) be beset by | Synonyms: run into |
| (verb) experience as a reaction | Synonyms: meet, receive |
| encumber | (verb) restrict (someone or something) so as to make free movement difficult | Synonyms: cumber, restrain |
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| endanger | (verb) put in a dangerous, disadvantageous, or difficult position | Synonyms: expose, peril, queer, scupper |
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| (verb) pose a threat to; present a danger to | Synonyms: imperil, jeopardise, jeopardize, menace, peril, threaten |
| energise | (verb) cause to be alert and energetic | Synonyms: arouse, brace, energize, perk up, stimulate |
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| (verb) raise to a higher energy level | Synonyms: energize, excite |
| energize | (verb) cause to be alert and energetic | Synonyms: arouse, brace, energise, perk up, stimulate |
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| (verb) raise to a higher energy level | Synonyms: energise, excite |
| enervate | (verb) weaken mentally or morally | - |
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| (verb) disturb the composure of | Synonyms: faze, unnerve, unsettle |
| engender | (verb) make (offspring) by reproduction | Synonyms: beget, bring forth, father, generate, get, mother, sire |
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| (verb) call forth | Synonyms: breed, spawn |
| engineer | (verb) plan and direct (a complex undertaking) | Synonyms: direct, mastermind, orchestrate, organise, organize |
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| (verb) design as an engineer | - |
| enter | (verb) set out on (an enterprise or subject of study) | Synonyms: embark |
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| (verb) make a record of; set down in permanent form | Synonyms: put down, record |
| (verb) become a participant; be involved in | Synonyms: participate |
| (verb) put or introduce into something | Synonyms: infix, insert, introduce |
| (verb) come on stage | - |
| (verb) to come or go into | Synonyms: come in, get in, get into, go in, go into, move into |
| (verb) take on duties or office | Synonyms: accede |
| (verb) register formally as a participant or member | Synonyms: enrol, enroll, inscribe, raise, recruit |
| (verb) be or play a part of or in | Synonyms: figure |
| entertain | (verb) take into consideration, have in view | Synonyms: flirt with, think about, think of, toy with |
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| (verb) maintain (a theory, thoughts, or feelings) | Synonyms: bear, harbor, harbour, hold, nurse |
| (verb) provide entertainment for | - |
| enumerate | (verb) specify individually | Synonyms: itemise, itemize, recite |
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| (verb) determine the number or amount of | Synonyms: count, number, numerate |
| eradicate | (verb) kill in large numbers | Synonyms: annihilate, carry off, decimate, eliminate, extinguish, wipe out |
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| (verb) destroy completely, as if down to the roots | Synonyms: exterminate, extirpate, root out, uproot |
| erase | (verb) remove from memory or existence | Synonyms: wipe out |
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| (verb) wipe out digitally or magnetically recorded information | Synonyms: delete |
| (verb) remove by or as if by rubbing or erasing | Synonyms: efface, rub out, score out, wipe off |
| erect | (verb) construct, build, or erect | Synonyms: put up, raise, rear, set up |
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| (verb) cause to rise up | Synonyms: rear |
| erode | (verb) remove soil or rock | Synonyms: eat away, fret |
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| (verb) become ground down or deteriorate | Synonyms: eat at, gnaw, gnaw at, wear away |
| eroticize | (verb) give erotic character to or make more interesting | Synonyms: sex up |
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| err | (verb) to make a mistake or be incorrect | Synonyms: mistake, slip |
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| (verb) wander from a direct course or at random | Synonyms: drift, stray |
| eruct | (verb) expel gas from the stomach | Synonyms: belch, bubble, burp |
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| (verb) eject or send out in large quantities, also metaphorical | Synonyms: spew, spew out |
| erupt | (verb) become active and spew forth lava and rocks | Synonyms: belch, extravasate |
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| (verb) start abruptly | Synonyms: break out |
| (verb) erupt or intensify suddenly | Synonyms: break open, burst out, flare, flare up, irrupt |
| (verb) become raw or open | Synonyms: break out, recrudesce |
| (verb) break out | Synonyms: break through, come out, push through |
| (verb) appear on the skin | - |
| (verb) force out or release suddenly and often violently something pent up | Synonyms: break, burst |
| (verb) start to burn or burst into flames | Synonyms: catch fire, combust, conflagrate, ignite, take fire |
| esterify | (verb) change (a compound) into an ester | - |
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| eternalise | (verb) make famous forever | Synonyms: eternalize, eternise, eternize, immortalise, immortalize |
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| eternalize | (verb) make famous forever | Synonyms: eternalise, eternise, eternize, immortalise, immortalize |
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| eternise | (verb) make famous forever | Synonyms: eternalise, eternalize, eternize, immortalise, immortalize |
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| eternize | (verb) make famous forever | Synonyms: eternalise, eternalize, eternise, immortalise, immortalize |
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| (verb) cause to continue indefinitely | - |
| etherealize | (verb) make ethereal | Synonyms: etherialise |
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| etherialise | (verb) make ethereal | Synonyms: etherealize |
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| etherify | (verb) change into an ether | - |
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| etherise | (verb) anesthetize with ether | Synonyms: etherize |
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| etherize | (verb) anesthetize with ether | Synonyms: etherise |
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