fluctuate

fluc·tu·ate

verb \ˈflək-chə-ˌwāt, -chü-ˌāt\

fluc·tu·at·edfluc·tu·at·ing

Definition of FLUCTUATE

intransitive verb

1

: to shift back and forth uncertainly

2

: to ebb and flow in waves

transitive verb

: to cause to fluctuate

— fluc·tu·a·tion \ˌflək-chə-ˈwā-shən, -chü-ˈā-\ noun

— fluc·tu·a·tion·al \-shnəl, -shə-n^əl\ adjective

Examples of FLUCTUATE

1. His popularity has fluctuated during his term in office.
2. In the desert, the temperature fluctuates dramatically.

Origin of FLUCTUATE

Latin fluctuatus, past participle of fluctuare, from fluctus flow, wave, from fluere — more at fluid

First Known Use: 1634

Related to FLUCTUATE

Synonyms

change, mutate, shift, snap, vary

Antonyms

plateau, stabilize

Related Words

metamorphose, morph, transmute; better, improve; deteriorate, worsen; turn around; seesaw, teeter, vacillate, waver

See Synonym Discussion at swing

Rhymes with FLUCTUATE

abdicate, abnegate, abrogate, acclimate, acerbate, acetate, activate, actuate, acylate, adsorbate, advocate, adulate, adumbrate, aggravate, aggregate, agitate, allocate, altercate, ambulate, amputate, animate, annotate, annulate, antedate, antiquate, apartheid, apostate, approbate, arbitrate, arcuate, arrogate, aspirate, auscultate, automate, aviate, bantamweight, Bering Strait, bifurcate, billingsgate, bipinnate, boilerplate, bombinate, brachiate, buffer state, cabinmate, cachinnate, calculate, calibrate, caliphate, candidate, cannulate, cantillate, capitate, captivate, carbonate, carbon-date, carinate, carload rate, castigate, catenate, cavitate, celebrate, cerebrate, chlorinate, circinate, circulate, city-state, client state, cogitate, colligate, collimate, collocate, commentate, commutate, compensate, complicate, concentrate, condensate, confiscate, conglobate, conjugate, consecrate, constellate, consternate, constipate, consummate, contemplate, copperplate, copulate, coronate, correlate, corrugate, coruscate, counterweight, crepitate, criminate, cruciate, cucullate, culminate, cultivate, cumulate, cuneate, cupulate, cuspidate, cyclamate, Davis Strait, deaerate, decimate, decollate, decorate, decussate, defalcate, defecate, deflagrate, dehydrate, delegate, demarcate, demonstrate, denigrate, Denmark Strait, depilate, deviate, deprecate, depredate, derivate, derogate, desecrate, desiccate, designate, desolate, desquamate, detonate, devastate, deviate, digitate, diplomate, discarnate, dislocate, dissertate, dissipate, distillate, divagate, dominate, double date, edentate, educate, elevate, elongate, eluate, emanate, emigrate, emirate, emulate, enervate, ephorate, escalate, estimate, estivate, excavate, exchange rate, exculpate, execrate, expiate, explicate, expurgate, exsiccate, extirpate, extricate, exudate, fabricate, fascinate, fashion plate, featherweight, fecundate, federate, fenestrate, festinate, fibrillate, first estate, flagellate, flocculate, fluoridate, foliate, formulate, fornicate, fourth estate, fractionate, fragmentate, fulminate, fumigate, fustigate, geminate, generate, germinate, glaciate, Golden Gate, graduate, granulate, gratulate, gravitate, heavyweight, hebetate, herniate, hesitate, hibernate, Hudson Strait, hundredweight, hyphenate, ideate, imamate, imbricate, imitate, immigrate, immolate, impetrate, implicate, imprecate, impregnate, incarnate, increate, incubate, inculcate, inculpate, incurvate, indagate, indicate, indurate, infiltrate, in-line skate, in-migrate, innervate, innovate, insensate, inspissate, instigate, insulate, interstate, intestate, intimate, intonate, intraplate, inundate, invocate, iodate, irrigate, irritate, isolate, iterate, jubilate, juniorate, lacerate, laminate, Latinate, laureate, legislate, levigate, levitate, liberate, license plate, liquidate, litigate, littermate, lubricate, macerate, machinate, magistrate, marginate, margravate, marinate, masticate, masturbate, maturate, mediate, medicate, meditate, meliorate, menstruate, microstate, micturate, middleweight, militate, mithridate, mitigate, moderate, modulate, motivate, multistate, mutilate, nation-state, nauseate, navigate, neonate, nictitate, niobate, nominate, numerate, obfuscate, objurgate, obligate, obovate, obviate, on a plate, operate, opiate, orchestrate, ordinate, oscillate, osculate, out-migrate, out-of-date, overstate, overweight, ovulate, paginate, palliate, palpitate, paperweight, patinate, peculate, penetrate, pennyweight, percolate, perennate, perforate, permeate, perpetrate, personate, police state, pollinate, populate, postulate, potentate, predicate, procreate, profligate, promulgate, propagate, prorogate, pullulate, pulmonate, punctuate, quantitate, rabbinate, radiate, real estate, recreate, re-create, reinstate, relegate, relocate, remonstrate, renovate, replicate, reprobate, resonate, retardate, retranslate, roller-skate, roseate, rubricate, ruinate, ruminate, runagate, running mate, rusticate, sagittate, salivate, sanitate, satiate, saturate, scintillate, second-rate, segregate, self-portrait, separate, sequestrate, seriate, sibilate, silver plate, simulate, sinuate, situate, speculate, spoliate, stablemate, starting gate, steady state, stimulate, stipulate, strangulate, stridulate, stylobate, subjugate, sublimate, subrogate, subulate, suffocate, sultanate, Sunda Strait, supplicate, surrogate, syncopate, syndicate, tablemate, tabulate, target date, terminate, tessellate, tête-à-tête, thirty-eight, titillate, titivate, tolerate, transmigrate, transudate, tribulate, tribunate, trifurcate, trilobate, tripinnate, triplicate, tunicate, turbinate, ulcerate, ululate, umbellate, uncinate, underrate, understate, underweight, undulate, ungulate, urinate, vaccinate, vacillate, validate, valuate, variate, vegetate, venerate, ventilate, vertebrate, vicarate, vindicate, violate, vitiate, water gate, Watergate, welfare state, welterweight