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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.
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. See abolish. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for eradicated
  • All of these diseases were once thought to be under control, if not eradicated.
  • Ask students if they think piracy has been completely eradicated.
  • Globally, however,the disease has not been fully eradicated.
  • Twenty-five years ago this month, smallpox was officially eradicated.
  • Some vaguely believe that polio has already been eradicated.
  • The survivors may return if the toads can be eradicated.
  • The poppies are an indication of the field being organic-they haven't been eradicated by chemical weed killers.
  • So instead, conservationists captured and relocated the eagles and only then eradicated the pigs.
  • Corruption is a cancer that must be contained if not eradicated or it will destroy any attempt at development.
  • The years have not diminished the wonderful memories nor eradicated the tears.
British Dictionary definitions for eradicated


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 eradicated



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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