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[ih-rad-i-keyt] /ɪˈræd ɪˌkeɪt/
verb (used with object), eradicated, eradicating.
to remove or destroy utterly; extirpate:
to eradicate smallpox throughout the world.
to erase by rubbing or by means of a chemical solvent:
to eradicate a spot.
to pull up by the roots:
to eradicate weeds.
Origin of eradicate
1555-65; < Latin ērādīcātus rooted out (past participle of ērādīcāre), equivalent to ē- e-1 + rādīc- (stem of rādīx) root1 + -ātus -ate1
Related forms
[ih-rad-i-kuh nt] /ɪˈræd ɪ kənt/ (Show IPA),
adjective, noun
eradication, noun
eradicative, adjective
eradicator, noun
noneradicative, adjective
uneradicated, adjective
uneradicative, adjective
1. obliterate, uproot, exterminate, annihilate.
Synonym Study
1. See abolish. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for eradicator
Historical Examples
  • Oliver had taken to his side the oldest tigrero, or "vermin" eradicator of the farm, as his pilot.

    The Treasure of Pearls Gustave Aimard
  • When the innocent wood pussy paused after eight performances I felt assured that of course he must be out of eradicator.

    Watched by Wild Animals Enos A. Mills
British Dictionary definitions for eradicator


verb (transitive)
to obliterate; stamp out
to pull or tear up by the roots
Derived Forms
eradicable, adjective
eradicably, adverb
eradication, noun
eradicative, adjective
eradicator, noun
Word Origin
C16: from Latin ērādīcāre to uproot, from ex-1 + rādīx root
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
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Word Origin and History for eradicator



early 15c., from Latin eradicatus, past participle of eradicare "to root out" (see eradication). Related: Eradicated; eradicating; eradicable.

Online Etymology Dictionary, © 2010 Douglas Harper
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