counteract

[koun-ter-akt]
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Origin of counteract

First recorded in 1670–80; counter- + act
Related formscoun·ter·ac·tant, adjectivecoun·ter·act·er, coun·ter·ac·tor, nouncoun·ter·act·ing·ly, adverbcoun·ter·ac·tion, nouncoun·ter·ac·tive, adjectivecoun·ter·ac·tive·ly, adverbnon·coun·ter·ac·tive, adjectiveun·coun·ter·act·ed, adjective

Synonyms for counteract

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for counteraction

Historical Examples of counteraction


British Dictionary definitions for counteraction

counteract

verb
  1. (tr) to oppose, neutralize, or mitigate the effects of by contrary action; check
Derived Formscounteraction, nouncounteractive, adjectivecounteractively, adverb
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 counteraction

counteract

v.

1670s, from counter- + act (v.). Related: Counteracted; counteracting.

Online Etymology Dictionary, © 2010 Douglas Harper