verb op·er·ate \ˈä-pə-ˌrāt, ˈä-ˌprāt\

: to function or behave in a proper or particular way

: to use and control (something)

: to have control of (something, such as a business, department, program, etc.)


Full Definition of OPERATE

intransitive verb
:  to perform a function :  exert power or influence <factors operating against our success>
:  to produce an appropriate effect <the drug operated quickly>
a :  to perform an operation or a series of operations
b :  to perform surgery
c :  to carry on a military or naval action or mission
:  to follow a course of conduct that is often irregular <crooked gamblers operating in the club>
transitive verb
a :  to cause to function :  work
b :  to put or keep in operation
:  to perform an operation on; especially :  to perform surgery on

Examples of OPERATE

  1. They hope to have the windmill operating again tomorrow.
  2. The camera also operates underwater.
  3. The machine can operate at high speeds.
  4. instructions for operating the new microwave oven
  5. a license to operate a motor vehicle
  6. The café is owned and operated by a young couple.
  7. The organization operates a recycling program.
  8. It's the only casino operating in the state.
  9. The company operates from Chicago.
  10. a militant group operating against the government

Origin of OPERATE

Latin operatus, past participle of operari to work, from oper-, opus work; akin to Old English efnan to perform, Sanskrit apas work
First Known Use: 1588

Related to OPERATE

Rhymes with OPERATE

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, fluctuate, 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, 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
OPERATED Defined for Kids


verb op·er·ate \ˈä-pə-ˌrāt\

Definition of OPERATE for Kids

:  to work or cause to work in a proper or particular way <The machine is operating smoothly.> <He will learn to operate a car.>
:  manage 1 <They operate a farm.>
:  to perform surgery :  do an operation on <The doctors operated on the patient.>
Medical Dictionary


verb op·er·ate \ˈäp-(ə-)ˌrāt\

Medical Definition of OPERATE

intransitive verb
:  to perform surgery
transitive verb
:  to perform surgery on <operated the growth>


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