| infiltrate | (verb) pass through an enemy line; in a military conflict | Synonyms: pass through |
|---|
| (verb) cause (a liquid) to enter by penetrating the interstices | - |
| (verb) pass into or through by filtering or permeating | - |
| (verb) enter a group or organization in order to spy on the members | Synonyms: penetrate |
| inflate | (verb) fill with gas or air | Synonyms: blow up |
|---|
| (verb) exaggerate or make bigger | Synonyms: amplify, blow up, expand |
| (verb) become inflated | Synonyms: balloon, billow |
| (verb) increase the amount or availability of, creating a rise in value | - |
| (verb) cause prices to rise by increasing the available currency or credit | - |
| infuriate | (verb) make furious | Synonyms: exasperate, incense |
|---|
| infuscate | (verb) darken with a brownish tinge, as of insect wings | - |
|---|
| ingeminate | (verb) to say, state, or perform again | Synonyms: iterate, reiterate, repeat, restate, retell |
|---|
| ingratiate | (verb) gain favor with somebody by deliberate efforts | - |
|---|
| ingurgitate | (verb) overeat or eat immodestly; make a pig of oneself | Synonyms: binge, englut, engorge, glut, gorge, gormandise, gormandize, gourmandize, overeat, overgorge, overindulge, pig out, satiate, scarf out, stuff |
|---|
| initiate | (verb) set in motion, start an event or prepare the way for | Synonyms: lead up |
|---|
| (verb) bring up a topic for discussion | Synonyms: broach |
| (verb) take the lead or initiative in; participate in the development of | Synonyms: pioneer |
| (verb) bring into being | Synonyms: originate, start |
| (verb) accept people into an exclusive society or group, usually with some rite | Synonyms: induct |
| innervate | (verb) stimulate to action | - |
|---|
| (verb) supply nerves to (some organ or body part) | - |
| innovate | (verb) bring something new to an environment | Synonyms: introduce |
|---|
| inoculate | (verb) perform vaccinations or produce immunity in by inoculation | Synonyms: immunise, immunize, vaccinate |
|---|
| (verb) insert a bud for propagation | - |
| (verb) impregnate with the virus or germ of a disease in order to render immune | - |
| (verb) introduce a microorganism into | - |
| (verb) introduce an idea or attitude into the mind of | - |
| inosculate | (verb) cause to join or open into each other by anastomosis | Synonyms: anastomose |
|---|
| (verb) come together or open into each other | Synonyms: anastomose |
| inseminate | (verb) introduce semen into (a female) | Synonyms: fecundate, fertilise, fertilize |
|---|
| (verb) place seeds in or on (the ground) | Synonyms: sow, sow in |
| insinuate | (verb) give to understand | Synonyms: adumbrate, intimate |
|---|
| (verb) introduce or insert (oneself) in a subtle manner | - |
| insolate | (verb) expose to the rays of the sun or affect by exposure to the sun | Synonyms: solarise, solarize, sun |
|---|
| inspissate | (verb) become thick or thicker | Synonyms: thicken |
|---|
| (verb) make thick or thicker | Synonyms: thicken |
| (verb) make viscous or dense | Synonyms: thicken |
| instantiate | (verb) find an instance of (a word or particular usage of a word) | - |
|---|
| (verb) represent by an instance | - |
| instigate | (verb) provoke or stir up | Synonyms: incite, set off, stir up |
|---|
| (verb) serve as the inciting cause of | Synonyms: inspire, prompt |
| institute | (verb) advance or set forth in court | Synonyms: bring |
|---|
| (verb) set up or lay the groundwork for | Synonyms: constitute, establish, found, plant |
| instrumentate | (verb) write an instrumental score for | Synonyms: instrument |
|---|
| insufflate | (verb) blow or breathe hard on or into | - |
|---|
| (verb) treat by blowing a powder or vapor into a bodily cavity | - |
| (verb) breathe or blow onto as a ritual or sacramental act, especially so as to symbolize the action of the Holy Spirit | - |
| insulate | (verb) place or set apart | Synonyms: isolate |
|---|
| (verb) protect from heat, cold, or noise by surrounding with insulating material | - |
| integrate | (verb) make into a whole or make part of a whole | Synonyms: incorporate |
|---|
| (verb) become one; become integrated | - |
| (verb) calculate the integral of; calculate by integration | - |
| (verb) open (a place) to members of all races and ethnic groups | Synonyms: desegregate, mix |
| intercalate | (verb) insert (days) in a calendar | - |
|---|
| intercommunicate | (verb) transmit thoughts or feelings | Synonyms: communicate |
|---|
| (verb) be interconnected, afford passage | - |
| intermediate | (verb) act between parties with a view to reconciling differences | Synonyms: arbitrate, intercede, liaise, mediate |
|---|
| interpellate | (verb) question formally about policy or government business | - |
|---|
| interpenetrate | (verb) penetrate mutually or be interlocked | Synonyms: permeate |
|---|
| (verb) spread or diffuse through | Synonyms: diffuse, imbue, penetrate, permeate, pervade, riddle |
| interpolate | (verb) insert words into texts, often falsifying it thereby | Synonyms: alter, falsify |
|---|
| (verb) estimate the value of something based on known values | Synonyms: extrapolate |
| interrelate | (verb) place into a mutual relationship | - |
|---|
| (verb) be in a relationship with | Synonyms: relate |
| interrogate | (verb) pose a series of questions to | Synonyms: question |
|---|
| (verb) transmit (a signal) for setting off an appropriate response, as in telecommunication | - |
| intimate | (verb) give to understand | Synonyms: adumbrate, insinuate |
|---|
| (verb) imply as a possibility | Synonyms: suggest |
| intimidate | (verb) make timid or fearful | - |
|---|
| (verb) to compel or deter by or as if by threats | - |
| intonate | (verb) recite with musical intonation; recite as a chant or a psalm | Synonyms: cantillate, chant, intone |
|---|
| (verb) speak carefully, as with rising and falling pitch or in a particular tone | Synonyms: intone |
| intoxicate | (verb) have an intoxicating effect on, of a drug | - |
|---|
| (verb) make drunk (with alcoholic drinks) | Synonyms: inebriate, soak |
| (verb) fill with high spirits; fill with optimism | Synonyms: elate, lift up, pick up, uplift |
| intubate | (verb) introduce a cannula or tube into | Synonyms: cannulate, cannulise, cannulize, canulate |
|---|
| inundate | (verb) fill or cover completely, usually with water | Synonyms: deluge, submerge |
|---|
| (verb) fill quickly beyond capacity; as with a liquid | Synonyms: deluge, flood, swamp |
| invaginate | (verb) fold inwards | Synonyms: introvert |
|---|
| (verb) sheathe | - |
| invalidate | (verb) take away the legal force of or render ineffective | Synonyms: vitiate, void |
|---|
| (verb) show to be invalid | Synonyms: nullify |
| (verb) make invalid for use | Synonyms: cancel |
| (verb) declare invalid | Synonyms: annul, avoid, nullify, quash, void |
| investigate | (verb) investigate scientifically | Synonyms: look into |
|---|
| (verb) conduct an inquiry or investigation of | Synonyms: enquire, inquire |
| invigilate | (verb) watch over (students taking an exam, to prevent cheating) | Synonyms: proctor |
|---|
| invigorate | (verb) impart vigor, strength, or vitality to | Synonyms: reinvigorate |
|---|
| (verb) make lively | Synonyms: animate, enliven, liven, liven up |
| (verb) give life or energy to | Synonyms: quicken |
| (verb) heighten or intensify | Synonyms: animate, enliven, exalt, inspire |
| invite | (verb) ask someone in a friendly way to do something | Synonyms: bid |
|---|
| (verb) request the participation or presence of | Synonyms: call for |
| (verb) ask to enter | Synonyms: ask in |
| (verb) express willingness to have in one's home or environs | Synonyms: receive, take in |
| (verb) give rise to a desire by being attractive or inviting | Synonyms: tempt |
| (verb) increase the likelihood of | Synonyms: ask for |
| (verb) invite someone to one's house | Synonyms: ask over, ask round |
| (verb) have as a guest | Synonyms: pay for |
| iodinate | (verb) cause to combine with iodine | - |
|---|
| ionate | (verb) add ions to | - |
|---|
| irradiate | (verb) expose to radiation | Synonyms: ray |
|---|
| (verb) cast rays of light upon | - |
| (verb) give spiritual insight to; in religion | Synonyms: enlighten |
| irrigate | (verb) supply with a constant flow or sprinkling of some liquid, for the purpose of cooling, cleansing, or disinfecting | - |
|---|
| (verb) supply with water, as with channels or ditches or streams | Synonyms: water |
| irritate | (verb) excite to an abnormal condition, or chafe or inflame | - |
|---|
| (verb) excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus | - |
| (verb) cause annoyance in; disturb, especially by minor irritations | Synonyms: annoy, bother, chafe, devil, get at, get to, gravel, nark, nettle, rag, rile, vex |
| isolate | (verb) place or set apart | Synonyms: insulate |
|---|
| (verb) obtain in pure form | - |
| (verb) set apart from others | Synonyms: keep apart, sequester, sequestrate, set apart |
| (verb) separate (experiences) from the emotions relating to them | - |
| iterate | (verb) run or be performed again | - |
|---|
| (verb) to say, state, or perform again | Synonyms: ingeminate, reiterate, repeat, restate, retell |
| itinerate | (verb) travel from place to place, as for work | - |
|---|
| jactitate | (verb) move or stir about violently | Synonyms: convulse, slash, thrash, thrash about, thresh, thresh about, toss |
|---|
| jubilate | (verb) to express great joy | Synonyms: exuberate, exult, rejoice, triumph |
|---|
| (verb) celebrate a jubilee | - |
| keynote | (verb) set the keynote of | - |
|---|
| (verb) give the keynote address to (an audience) | - |
| kite | (verb) fly a kite | - |
|---|
| (verb) soar or fly like a kite | - |
| (verb) get credit or money by using a bad check | - |
| (verb) increase the amount (of a check) fraudulently | - |
| lacerate | (verb) cut or tear irregularly | - |
|---|
| (verb) deeply hurt the feelings of; distress | - |
| lactate | (verb) give suck to | Synonyms: breastfeed, give suck, nurse, suck, suckle, wet-nurse |
|---|
| lambaste | (verb) censure severely or angrily | Synonyms: bawl out, berate, call down, call on the carpet, chew out, chew up, chide, dress down, have words, jaw, lambast, lecture, rag, rebuke, remonstrate, reprimand, scold, take to task, trounce |
|---|
| (verb) beat with a cane | Synonyms: cane, flog, lambast |
| laminate | (verb) cover with a thin sheet of non-fabric material | - |
|---|
| (verb) press or beat (metals) into thin sheets | - |
| (verb) split (wood) into thin sheets | - |
| (verb) create laminate by bonding sheets of material with a bonding material | - |
| lapidate | (verb) kill by throwing stones at | Synonyms: stone |
|---|
| (verb) throw stones at | - |
| legislate | (verb) make laws, bills, etc. or bring into effect by legislation | Synonyms: pass |
|---|
| legitimate | (verb) make (an illegitimate child) legitimate; declare the legitimacy of (someone) | - |
|---|
| (verb) show or affirm to be just and legitimate | - |
| (verb) make legal | Synonyms: decriminalise, decriminalize, legalise, legalize, legitimatise, legitimatize, legitimise, legitimize |
| levitate | (verb) be suspended in the air, as if in defiance of gravity | Synonyms: hover |
|---|
| (verb) cause to rise in the air and float, as if in defiance of gravity | - |
| liberate | (verb) release (gas or energy) as a result of a chemical reaction or physical decomposition | Synonyms: free, release |
|---|
| (verb) grant freedom to | Synonyms: set free |
| (verb) give equal rights to; of women and minorities | Synonyms: emancipate |
| (verb) grant freedom to; free from confinement | Synonyms: free, loose, release, unloose, unloosen |
| librate | (verb) vibrate before coming to a total rest | - |
|---|
| (verb) determine the weight of | Synonyms: weigh |
| ligate | (verb) bind with a bandage or ligature | - |
|---|
| (verb) bind chemically | - |
| (verb) join letters in a ligature when writing | - |
| liquidate | (verb) get rid of (someone who may be a threat) by killing | Synonyms: do in, knock off, neutralise, neutralize, waste |
|---|
| (verb) eliminate by paying off (debts) | Synonyms: pay off |
| (verb) convert into cash | - |
| (verb) settle the affairs of by determining the debts and applying the assets to pay them off | - |
| litigate | (verb) institute legal proceedings against; file a suit against | Synonyms: action, process, sue |
|---|
| (verb) engage in legal proceedings | - |
| locate | (verb) take up residence and become established | Synonyms: settle |
|---|
| (verb) discover the location of; determine the place of; find by searching or examining | Synonyms: turn up |
| (verb) assign a location to | Synonyms: place, site |
| (verb) determine or indicate the place, site, or limits of, as if by an instrument or by a survey | Synonyms: situate |
| locomote | (verb) change location; move, travel, or proceed, also metaphorically | Synonyms: go, move, travel |
|---|
| lubricate | (verb) make slippery or smooth through the application of a lubricant | - |
|---|
| (verb) apply a lubricant to | Synonyms: lube |
| (verb) have lubricating properties | - |
| lucubrate | (verb) add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing | Synonyms: dilate, elaborate, enlarge, expand, expatiate, exposit, expound, flesh out |
|---|
| lustrate | (verb) purify by means of a ritual; also used in post-Communist countries to refer to the political cleansing of former officials | - |
|---|
| luxate | (verb) move out of position | Synonyms: dislocate, slip, splay |
|---|
| luxuriate | (verb) thrive profusely or flourish extensively | - |
|---|
| (verb) become extravagant; indulge (oneself) luxuriously | Synonyms: wanton |
| (verb) enjoy to excess | Synonyms: indulge |
| macerate | (verb) soften, usually by steeping in liquid, and cause to disintegrate as a result | - |
|---|
| (verb) become soft or separate and disintegrate as a result of excessive soaking | - |
| (verb) cause to grow thin or weak | Synonyms: emaciate, waste |
| (verb) separate into constituents by soaking | - |
| machicolate | (verb) supply with projecting galleries | - |
|---|
| machinate | (verb) engage in plotting or enter into a conspiracy, swear together | Synonyms: cabal, complot, conjure, conspire |
|---|
| (verb) arrange by systematic planning and united effort | Synonyms: devise, get up, organise, organize, prepare |
| maculate | (verb) spot, stain, or pollute | Synonyms: befoul, defile, foul |
|---|
| (verb) make dirty or spotty, as by exposure to air; also used metaphorically | Synonyms: defile, stain, sully, tarnish |
| malversate | (verb) appropriate (as property entrusted to one's care) fraudulently to one's own use | Synonyms: defalcate, embezzle, misappropriate, peculate |
|---|
| mandate | (verb) assign authority to | - |
|---|
| (verb) make mandatory | - |
| (verb) assign under a mandate | - |
| manducate | (verb) chew (food); to bite and grind with the teeth | Synonyms: chew, jaw, masticate |
|---|
| manipulate | (verb) treat manually, as with massage, for therapeutic purposed | - |
|---|
| (verb) hold something in one's hands and move it | - |
| (verb) maintain influence over (others or oneself) skillfully, usually to one's advantage | Synonyms: control, keep in line |
| (verb) manipulate in a fraudulent manner | Synonyms: rig |
| (verb) influence or control shrewdly or deviously | Synonyms: pull strings, pull wires |
| (verb) tamper, with the purpose of deception | Synonyms: cook, fake, falsify, fudge, misrepresent, wangle |
| marinate | (verb) soak in marinade | Synonyms: marinade |
|---|
| masticate | (verb) chew (food); to bite and grind with the teeth | Synonyms: chew, jaw, manducate |
|---|
| (verb) grind and knead | - |
| masturbate | (verb) get sexual gratification through self-stimulation | Synonyms: fuck off, jack off, jerk off, she-bop, wank |
|---|
| (verb) stimulate sexually | - |
| mate | (verb) place an opponent's king under an attack from which it cannot escape and thus ending the game | Synonyms: checkmate |
|---|
| (verb) engage in sexual intercourse | Synonyms: copulate, couple, pair |
| (verb) bring two objects, ideas, or people together | Synonyms: couple, match, pair, twin |
| matriculate | (verb) enroll as a student | - |
|---|
| matte | (verb) change texture so as to become matted and felt-like | Synonyms: felt, felt up, mat, mat up, matt-up, matte up |
|---|
| maturate | (verb) ripen and generate pus | Synonyms: fester, suppurate |
|---|
| (verb) develop and reach maturity; undergo maturation | Synonyms: grow, mature |
| (verb) grow old or older | Synonyms: age, get on, mature, senesce |
| mediate | (verb) act between parties with a view to reconciling differences | Synonyms: arbitrate, intercede, intermediate, liaise |
|---|
| (verb) occupy an intermediate or middle position or form a connecting link or stage between two others | - |
| medicate | (verb) treat medicinally, treat with medicine | Synonyms: medicine |
|---|
| (verb) impregnate with a medicinal substance | - |
| meditate | (verb) reflect deeply on a subject | Synonyms: chew over, contemplate, excogitate, mull, mull over, muse, ponder, reflect, ruminate, speculate, think over |
|---|
| (verb) think intently and at length, as for spiritual purposes | Synonyms: contemplate, study |
| meliorate | (verb) get better | Synonyms: ameliorate, better, improve |
|---|
| (verb) to make better | Synonyms: ameliorate, amend, better, improve |
| menstruate | (verb) undergo menstruation | Synonyms: flow |
|---|
| mensurate | (verb) determine the measurements of something or somebody, take measurements of | Synonyms: measure, measure out |
|---|
| metricate | (verb) convert from a non-metric to the metric system | Synonyms: metricise, metricize, metrify |
|---|
| micturate | (verb) eliminate urine | Synonyms: make, make water, pass water, pee-pee, pee, piddle, piss, puddle, relieve oneself, spend a penny, take a leak, urinate, wee-wee, wee |
|---|
| migrate | (verb) move from one country or region to another and settle there | Synonyms: transmigrate |
|---|
| (verb) move periodically or seasonally | - |
| militate | (verb) have force or influence; bring about an effect or change | - |
|---|