| intercalate | (verb) insert (days) in a calendar | - |
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| intercede | (verb) act between parties with a view to reconciling differences | Synonyms: arbitrate, intermediate, liaise, mediate |
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| intercept | (verb) seize on its way | Synonyms: stop |
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| (verb) tap a telephone or telegraph wire to get information | Synonyms: bug, tap, wiretap |
| interchange | (verb) reverse (a direction, attitude, or course of action) | Synonyms: alternate, flip-flop, flip, switch, tack |
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| (verb) cause to change places | Synonyms: counterchange, transpose |
| (verb) give to, and receive from, one another | Synonyms: change, exchange |
| (verb) put in the place of another; switch seemingly equivalent items | Synonyms: exchange, replace, substitute |
| intercommunicate | (verb) transmit thoughts or feelings | Synonyms: communicate |
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| (verb) be interconnected, afford passage | - |
| interconnect | (verb) cause to be interconnected or interwoven | Synonyms: interlink |
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| (verb) be interwoven or interconnected | Synonyms: complect, interlink |
| interdepend | (verb) be connected | Synonyms: hang together |
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| interdict | (verb) command against | Synonyms: disallow, forbid, nix, prohibit, proscribe, veto |
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| (verb) destroy by firepower, such as an enemy's line of communication | - |
| interest | (verb) excite the curiosity of; engage the interest of | - |
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| (verb) be of importance or consequence | Synonyms: matter to |
| (verb) be on the mind of | Synonyms: concern, occupy, worry |
| interfere | (verb) get involved, so as to alter or hinder an action, or through force or threat of force | Synonyms: interpose, intervene, step in |
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| (verb) come between so as to be hindrance or obstacle | - |
| interiorise | (verb) incorporate within oneself; make subjective or personal | Synonyms: interiorize, internalise, internalize |
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| interiorize | (verb) incorporate within oneself; make subjective or personal | Synonyms: interiorise, internalise, internalize |
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| interject | (verb) to insert between other elements | Synonyms: come in, inject, interpose, put in, throw in |
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| interlace | (verb) spin, wind, or twist together | Synonyms: enlace, entwine, intertwine, lace, twine |
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| (verb) hold in a locking position | Synonyms: interlock, lock |
| interlard | (verb) introduce one's writing or speech with certain expressions | Synonyms: intersperse |
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| interleave | (verb) intersperse alternately, as of protective covers for book illustrations | - |
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| (verb) intersperse the sectors on the concentric magnetic circular patterns written on a computer disk surface to guide the storing and recording of data | - |
| (verb) provide (books) with blank leaves | - |
| interlink | (verb) cause to be interconnected or interwoven | Synonyms: interconnect |
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| (verb) be interwoven or interconnected | Synonyms: complect, interconnect |
| interlock | (verb) coordinate in such a way that all parts work together effectively | Synonyms: mesh |
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| (verb) become engaged or intermeshed with one another | Synonyms: lock |
| (verb) hold in a locking position | Synonyms: interlace, lock |
| interlope | (verb) encroach on the rights of others, as in trading without a proper license | - |
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| interlude | (verb) perform an interlude | - |
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| intermarry | (verb) marry within the same ethnic, social, or family group | - |
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| intermediate | (verb) act between parties with a view to reconciling differences | Synonyms: arbitrate, intercede, liaise, mediate |
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| intermingle | (verb) combine into one | Synonyms: blend, immingle, intermix |
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| intermit | (verb) cease an action temporarily | Synonyms: break, pause |
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| intermix | (verb) combine into one | Synonyms: blend, immingle, intermingle |
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| intern | (verb) deprive of freedom | - |
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| (verb) work as an intern | - |
| internalise | (verb) incorporate within oneself; make subjective or personal | Synonyms: interiorise, interiorize, internalize |
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| internalize | (verb) incorporate within oneself; make subjective or personal | Synonyms: interiorise, interiorize, internalise |
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| internationalise | (verb) make international in character | Synonyms: internationalize |
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| (verb) put under international control | Synonyms: internationalize |
| internationalize | (verb) make international in character | Synonyms: internationalise |
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| (verb) put under international control | Synonyms: internationalise |
| interpellate | (verb) question formally about policy or government business | - |
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| interpenetrate | (verb) penetrate mutually or be interlocked | Synonyms: permeate |
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| (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 |
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| (verb) estimate the value of something based on known values | Synonyms: extrapolate |
| interpose | (verb) to insert between other elements | Synonyms: come in, inject, interject, put in, throw in |
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| (verb) to put forth by way of intervention | - |
| (verb) be or come between | - |
| (verb) get involved, so as to alter or hinder an action, or through force or threat of force | Synonyms: interfere, intervene, step in |
| interpret | (verb) make sense of; assign a meaning to | Synonyms: construe, see |
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| (verb) make sense of a language | Synonyms: read, translate, understand |
| (verb) give an interpretation or explanation to | Synonyms: rede |
| (verb) restate (words) from one language into another language | Synonyms: render, translate |
| (verb) give an interpretation or rendition of | Synonyms: render |
| (verb) create an image or likeness of | Synonyms: represent |
| interrelate | (verb) place into a mutual relationship | - |
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| (verb) be in a relationship with | Synonyms: relate |
| interrogate | (verb) pose a series of questions to | Synonyms: question |
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| (verb) transmit (a signal) for setting off an appropriate response, as in telecommunication | - |
| interrupt | (verb) terminate or end | Synonyms: break |
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| (verb) destroy the peace or tranquility of | Synonyms: disturb |
| (verb) interfere in someone else's activity | Synonyms: disrupt |
| (verb) make a break in | Synonyms: break up, cut off, disrupt |
| intersect | (verb) meet at a point | Synonyms: cross |
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| intersperse | (verb) introduce one's writing or speech with certain expressions | Synonyms: interlard |
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| (verb) place at intervals in or among | - |
| interstratify | (verb) arrange rocks in alternating strata | - |
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| intertwine | (verb) spin, wind, or twist together | Synonyms: enlace, entwine, interlace, lace, twine |
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| (verb) make a loop in | Synonyms: loop |
| (verb) make lacework by knotting or looping | Synonyms: tat |
| intervene | (verb) occur between other event or between certain points of time | - |
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| (verb) get involved, so as to alter or hinder an action, or through force or threat of force | Synonyms: interfere, interpose, step in |
| (verb) be placed or located between other things or extend between spaces and events | - |
| interview | (verb) conduct an interview in television, newspaper, and radio reporting | Synonyms: question |
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| (verb) discuss formally with (somebody) for the purpose of an evaluation | - |
| (verb) go for an interview in the hope of being hired | - |
| interweave | (verb) interlace by or as if by weaving | Synonyms: weave |
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| intimate | (verb) give to understand | Synonyms: adumbrate, insinuate |
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| (verb) imply as a possibility | Synonyms: suggest |
| intimidate | (verb) make timid or fearful | - |
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| (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 |
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| (verb) speak carefully, as with rising and falling pitch or in a particular tone | Synonyms: intone |
| intone | (verb) recite with musical intonation; recite as a chant or a psalm | Synonyms: cantillate, chant, intonate |
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| (verb) speak carefully, as with rising and falling pitch or in a particular tone | Synonyms: intonate |
| (verb) utter monotonously and repetitively and rhythmically | Synonyms: chant, tone |
| intoxicate | (verb) have an intoxicating effect on, of a drug | - |
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| (verb) make drunk (with alcoholic drinks) | Synonyms: inebriate, soak |
| (verb) fill with high spirits; fill with optimism | Synonyms: elate, lift up, pick up, uplift |
| intransitivise | (verb) intransitivize | Synonyms: detransitivise, detransitivize, intransitivize |
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| intransitivize | (verb) intransitivize | Synonyms: detransitivise, detransitivize, intransitivise |
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| intrench | (verb) fix firmly or securely | Synonyms: entrench |
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| intrigue | (verb) form intrigues (for) in an underhand manner | Synonyms: connive, scheme |
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| (verb) cause to be interested or curious | Synonyms: fascinate |
| introduce | (verb) be a precursor of | Synonyms: inaugurate, usher in |
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| (verb) place, fit, or thrust (something) into another thing | Synonyms: enclose, inclose, insert, put in, stick in |
| (verb) put before (a body) | - |
| (verb) cause to come to know personally | Synonyms: acquaint, present |
| (verb) furnish with a preface or introduction | Synonyms: precede, preface, premise |
| (verb) bring before the public for the first time, as of an actor, song, etc. | Synonyms: bring out |
| (verb) put or introduce into something | Synonyms: enter, infix, insert |
| (verb) bring something new to an environment | Synonyms: innovate |
| (verb) bring in or establish in a new place or environment | - |
| (verb) bring in a new person or object into a familiar environment | Synonyms: bring in |
| introject | (verb) incorporate (attitudes or ideas) into one's personality unconsciously | - |
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| intromit | (verb) allow to enter; grant entry to | Synonyms: admit, allow in, let in |
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| introspect | (verb) reflect on one's own thoughts and feelings | - |
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| introvert | (verb) turn inside | - |
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| (verb) fold inwards | Synonyms: invaginate |
| intrude | (verb) thrust oneself in as if by force | Synonyms: obtrude |
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| (verb) enter uninvited | Synonyms: irrupt |
| (verb) search or inquire in a meddlesome way | Synonyms: horn in, nose, poke, pry |
| (verb) enter unlawfully on someone's property | Synonyms: trespass |
| intrust | (verb) confer a trust upon | Synonyms: commit, confide, entrust, trust |
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| intubate | (verb) introduce a cannula or tube into | Synonyms: cannulate, cannulise, cannulize, canulate |
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| intuit | (verb) know or grasp by intuition or feeling | - |
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| intumesce | (verb) expand abnormally | Synonyms: swell, swell up, tumefy, tumesce |
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| (verb) move upwards in bubbles, as from the effect of heating; also used metaphorically | Synonyms: bubble up |
| intussuscept | (verb) introvert or invaginate | - |
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| inunct | (verb) administer an oil or ointment to; often in a religious ceremony of blessing | Synonyms: anele, anoint, embrocate, oil |
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| inundate | (verb) fill or cover completely, usually with water | Synonyms: deluge, submerge |
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| (verb) fill quickly beyond capacity; as with a liquid | Synonyms: deluge, flood, swamp |
| inure | (verb) cause to accept or become hardened to; habituate | Synonyms: harden, indurate |
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| invade | (verb) march aggressively into another's territory by military force for the purposes of conquest and occupation | Synonyms: occupy |
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| (verb) penetrate or assault, in a harmful or injurious way | - |
| (verb) to intrude upon, infringe, encroach on, violate | Synonyms: encroach upon, intrude on, obtrude upon |
| (verb) occupy in large numbers or live on a host | Synonyms: infest, overrun |
| invaginate | (verb) fold inwards | Synonyms: introvert |
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| (verb) sheathe | - |
| invalid | (verb) injure permanently | Synonyms: disable, handicap, incapacitate |
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| (verb) force to retire, remove from active duty, as of firemen | - |
| invalidate | (verb) take away the legal force of or render ineffective | Synonyms: vitiate, void |
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| (verb) show to be invalid | Synonyms: nullify |
| (verb) make invalid for use | Synonyms: cancel |
| (verb) declare invalid | Synonyms: annul, avoid, nullify, quash, void |
| inveigh | (verb) complain bitterly | Synonyms: rail |
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| (verb) speak against in an impassioned manner | Synonyms: declaim |
| inveigle | (verb) influence or urge by gentle urging, caressing, or flattering | Synonyms: blarney, cajole, coax, palaver, sweet-talk, wheedle |
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| invent | (verb) come up with (an idea, plan, explanation, theory, or principle) after a mental effort | Synonyms: contrive, devise, excogitate, forge, formulate |
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| (verb) concoct something artificial or untrue | Synonyms: cook up, fabricate, make up, manufacture |
| inventory | (verb) make or include in an itemized record or report | Synonyms: stock-take, take stock |
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| invert | (verb) turn inside out or upside down | Synonyms: reverse, turn back |
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| (verb) make an inversion (in a musical composition) | - |
| (verb) reverse the position, order, relation, or condition of | Synonyms: reverse |
| invest | (verb) make an investment | Synonyms: commit, place, put |
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| (verb) provide with power and authority | Synonyms: enthrone, vest |
| (verb) place ceremoniously or formally in an office or position | Synonyms: induct, seat |
| (verb) furnish with power or authority; of kings or emperors | Synonyms: adorn, clothe |
| (verb) give qualities or abilities to | Synonyms: empower, endow, endue, gift, indue |
| investigate | (verb) investigate scientifically | Synonyms: look into |
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| (verb) conduct an inquiry or investigation of | Synonyms: enquire, inquire |
| invigilate | (verb) watch over (students taking an exam, to prevent cheating) | Synonyms: proctor |
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| invigorate | (verb) impart vigor, strength, or vitality to | Synonyms: reinvigorate |
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| (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 |
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| (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 |
| invoice | (verb) send a bill to | - |
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| invoke | (verb) cite as an authority; resort to | Synonyms: appeal |
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| (verb) request earnestly (something from somebody); ask for aid or protection | Synonyms: appeal |
| (verb) summon into action or bring into existence, often as if by magic | Synonyms: arouse, bring up, call down, call forth, conjure, conjure up, evoke, put forward, raise, stir |
| involve | (verb) make complex or intricate or complicated | - |
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| (verb) occupy or engage the interest of | - |
| (verb) have as a necessary feature | Synonyms: imply |
| (verb) connect closely and often incriminatingly | Synonyms: affect, regard |
| (verb) contain as a part | - |
| (verb) engage as a participant | - |
| (verb) require as useful, just, or proper | Synonyms: ask, call for, demand, necessitate, need, postulate, require, take |
| inweave | (verb) weave together into a fabric or design | - |
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| iodinate | (verb) cause to combine with iodine | - |
|---|
| iodise | (verb) treat with iodine so as to prevent infection | Synonyms: iodize |
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| (verb) treat with iodine | Synonyms: iodize |
| iodize | (verb) treat with iodine so as to prevent infection | Synonyms: iodise |
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| (verb) treat with iodine | Synonyms: iodise |
| ionate | (verb) add ions to | - |
|---|
| ionise | (verb) convert into ions | Synonyms: ionize |
|---|
| (verb) become converted into ions | Synonyms: ionize |
| ionize | (verb) convert into ions | Synonyms: ionise |
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| (verb) become converted into ions | Synonyms: ionise |
| iridesce | (verb) be iridescent | - |
|---|
| irk | (verb) irritate or vex | Synonyms: gall |
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| iron | (verb) press and smooth with a heated iron | Synonyms: iron out, press |
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| irradiate | (verb) expose to radiation | Synonyms: ray |
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| (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 | - |
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| (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 |
| irrupt | (verb) increase rapidly and in an uncontrolled manner | Synonyms: explode |
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| (verb) erupt or intensify suddenly | Synonyms: break open, burst out, erupt, flare, flare up |
| (verb) enter uninvited | Synonyms: intrude |
| 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 | - |