verb (used without object), op·er·at·ed, op·er·at·ing.

verb (used with object), op·er·at·ed, op·er·at·ing.

Origin of operate

1600–10; < Late Latin operātus, past participle of operārī, -āre to work, be efficacious, effect, produce, Latin: to busy oneself, verbal derivative of opera effort, work, akin to opus work; see -ate1
Related formsop·er·at·a·ble, adjectivepre·op·er·ate, verb (used without object), pre·op·er·at·ed, pre·op·er·at·ing.re·op·er·ate, verb (used with object), re·op·er·at·ed, re·op·er·at·ing.un·op·er·at·a·ble, adjectiveun·op·er·at·ed, adjectivewell-op·er·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unoperated

Historical Examples of unoperated

  • Mr. Weyerhauser is the most extensive holder and owner of unoperated pine lands in the West, or probably on the continent.

    Fifty Years In The Northwest

    William Henry Carman Folsom

British Dictionary definitions for unoperated



to function or cause to function
(tr) to control the functioning ofoperate a machine
to manage, direct, run, or pursue (a business, system, etc)
(intr) to perform a surgical operation (upon a person or animal)
(intr) to produce a desired or intended effect
(tr usually foll by on) to treat or process in a particular or specific way
(intr) to conduct military or naval operations
(intr) to deal in securities on a stock exchange

Word Origin for operate

C17: from Latin operāri to work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unoperated



c.1600, "to be in effect," back-formation from operation, or else from Latin operatus, past participle of operari "to work, labor, toil, take pains" (in Late Latin "to have effect, be active, cause"). Surgical sense is first attested 1799. Meaning "to work machinery" is from 1864 in American English. Related: Operated; operating. Operating system in the computer sense is from 1961.

Online Etymology Dictionary, © 2010 Douglas Harper

unoperated in Medicine




To perform surgery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.