attenuate

²at·ten·u·ate

verb \ə-ˈten-yə-ˌwāt, -yü-ˌāt\

at·ten·u·at·edat·ten·u·at·ing

Definition of ATTENUATE

transitive verb

1

: to make thin or slender

2

: to make thin in consistency : rarefy

3

: to lessen the amount, force, magnitude, or value of : weaken

4

: to reduce the severity, virulence, or vitality of <an attenuated virus>

intransitive verb

: to become thin, fine, or less

— at·ten·u·a·tion \-ˌten-yə-ˈwā-shən, -yü-ˈā-\ noun

Examples of ATTENUATE

1. Earplugs will attenuate the loud sounds of the machinery.
2. <an investment attenuated by significant inflation over the years>

First Known Use of ATTENUATE

1530

Related to ATTENUATE

Synonyms: depreciate, break, cheapen, depress, devaluate, devalue, downgrade, lower, mark down, reduce, sink, write down, write off

Antonyms: appreciate, enhance, mark up, upgrade

Related Words: debase, demonetize; underestimate, underprice, underrate, undervalue; abridge, compress, contract, de-escalate, deflate, downsize, dwindle, lessen, moderate, shrink

Near Antonyms: bloat, blow up, inflate; overestimate, overprice, overrate, overvalue; add, aggrandize, amplify, augment, balloon, boost, compound, dilate, enlarge, escalate, expand, extend, heighten, increase, maximize, multiply, raise, swell, up

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Rhymes with ATTENUATE

abbreviate, abominate, accelerate, accentuate, accommodate, acculturate, accumulate, adjudicate, adulterate, affiliate, agglomerate, alienate, alleviate, alliterate, amalgamate, ameliorate, amyl nitrate, annihilate, annunciate, anticipate, apostolate, appreciate, appropriate, approximate, arpeggiate, articulate, asphyxiate, assassinate, asseverate, assimilate, associate, at any rate, authenticate, barbiturate, bicarbonate, calumniate, capacitate, capitulate, catholicate, certificate, coagulate, coelenterate, collaborate, commemorate, commiserate, communicate, compassionate, concatenate, conciliate, confabulate, confederate, conglomerate, congratulate, consolidate, contaminate, cooperate, coordinate, corroborate, deactivate, debilitate, decapitate, decelerate, decerebrate, deconcentrate, deconsecrate, decorticate, decrepitate, de-escalate, defibrinate, defoliate, degenerate, deliberate, delineate, demodulate, denominate, depopulate, depreciate, deracinate, deregulate, desegregate, desiderate, detoxicate, devaluate, diaconate, dilapidate, discriminate, disintegrate, disseminate, dissimulate, dissociate, domesticate, effectuate, ejaculate, elaborate, electroplate, eliminate, elucidate, emaciate, emancipate, emasculate, encapsulate, enumerate, enunciate, episcopate, equivocate, eradicate, etiolate, evacuate, evaluate, evaporate, eventuate, eviscerate, exacerbate, exaggerate, exasperate, excited state, excogitate, excoriate, exfoliate, exhilarate, exonerate, expatiate, expatriate, expectorate, expostulate, expropriate, extenuate, exterminate, extrapolate, facilitate, felicitate, fish or cut bait, garrison state, gesticulate, habilitate, habituate, hallucinate, humiliate, hydrogenate, hypothecate, illuminate, impersonate, inactivate, inaugurate, incarcerate, incinerate, incorporate, incriminate, indoctrinate, inebriate, infatuate, infuriate, ingratiate, ingurgitate, initiate, inoculate, inseminate, insinuate, instantiate, intercalate, interpolate, interrelate, interrogate, intimidate, intoxicate, invalidate, investigate, invigorate, irradiate, Italianate, Korea Strait, lanceolate, legitimate, luxuriate, mandarinate, manipulate, matriarchate, matriculate, Merthiolate, necessitate, negotiate, noncandidate, obliterate, officiate, Orange Free State, orientate, originate, oxygenate, participate, particulate, patriarchate, patriciate, perambulate, peregrinate, perpetuate, pontificate, precipitate, predestinate, predominate, prefabricate, premeditate, preponderate, prevaricate, procrastinate, prognosticate, proliferate, propitiate, proportionate, quadruplicate, quintuplicate, reciprocate, recriminate, recuperate, redecorate, reduplicate, reeducate, refrigerate, regenerate, regurgitate, reincarnate, reintegrate, reiterate, rejuvenate, remunerate, repatriate, repudiate, resuscitate, retaliate, reticulate, revaluate, reverberate, scholasticate, second estate, self-flagellate, self-immolate, self-pollinate, seventy-eight, sextuplicate, Singapore Strait, sophisticate, subordinate, substantiate, syllabicate, tergiversate, transliterate, triangulate, vanity plate, variegate, vaticinate, vituperate, vociferate