a person or thing that exterminates.
a person or business establishment specializing in the elimination of vermin, insects, etc., from a building, apartment, etc., especially by the controlled application of toxic chemicals.

Origin of exterminator

From the Late Latin word exterminātor, dating back to 1605–15. See extermine, -ator
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for exterminator

Contemporary Examples of exterminator

  • Ditto the kind of people who let garbage pile up undisposed of (and don't or can't call an exterminator).

    The Daily Beast logo
    What Does it Mean to Be Poor?

    Megan McArdle

    September 17, 2012

  • And a rubbing alcohol/lavender oil mix works only as a short-term defense to buy time until the exterminator comes.

    The Daily Beast logo
    Vigilante Bedbug Exterminators

    Brian Ries

    August 27, 2010

  • An exterminator, Dill took a job in Iraq for a company contracted to do pest control on military bases.

    The Daily Beast logo
    The War's Quiet Scandal


    February 25, 2010

  • Despite having the nickname “the exterminator,” DeLay did not try to exterminate wasteful spending when in power.

    The Daily Beast logo
    He's Back!

    John Avlon

    March 8, 2009

Historical Examples of exterminator

  • Cook as an exterminator of the human species seemed too glittering a novelty.

  • Sometimes they are enemies who must be immolated to Mars the exterminator.

    A Philosophical Dictionary, Volume 5 (of 10)

    Franois-Marie Arouet (AKA Voltaire)

  • What would the Black Spider need to do to escape her exterminator?

    More Hunting Wasps

    J. Henri Fabre

  • Now, apparently, he was being pressed into service as an exterminator.

    Student Body

    Floyd L. Wallace

  • But neither supposition proved to be correct, for we presently picked up the “exterminator,” floating near us.

    The Island Home

    Richard Archer

Word Origin and History for exterminator

c.1400, "an angel who expells (people from a country)," from Late Latin exterminator, from Latin exterminatus, past participle stem of exterminare (see exterminate). As a substance for ridding a place of rats, etc., by 1848. As a person whose job it is to do this, by 1938.

Online Etymology Dictionary, © 2010 Douglas Harper