counteract

verb
coun·​ter·​act | \ ˌkau̇n-tər-ˈakt How to pronounce counteract (audio) \
counteracted; counteracting; counteracts

Definition of counteract

transitive verb

: to make ineffective or restrain or neutralize the usually ill effects of by means of an opposite force, action, or influence a drug used to counteract fatigue

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Other Words from counteract

counteraction \ ˌkau̇n-​tər-​ˈak-​shən How to pronounce counteract (audio) \ noun
counteractive \ ˌkau̇n-​tər-​ˈak-​tiv How to pronounce counteract (audio) \ adjective

Examples of counteract in a Sentence

The drug will counteract the poison. this medication will counteract the symptoms but it won't kill the infection
Recent Examples on the Web The lack of a live audience is one issue NBC is working hard to counteract. David Bauder, Star Tribune, 16 July 2021 Like the regular Continental, the Speed gets Bentley's active anti-roll bars, which counteract body roll with a 48-volt electric motor. Mike Duff, Car and Driver, 5 May 2021 That measure aims to counteract local opposition, often known as NIMBYism -- for not-in-my-backyard sentiment -- that often stalls affordable-housing development. Compiled Democrat-gazette Staff From Wire Reports, Arkansas Online, 27 June 2021 What To Watch For The Senate will vote this week on the For the People Act, a sweeping voting rights bill that would counteract many of the state-level restrictions now being imposed. Alison Durkee, Forbes, 21 June 2021 While in Washington, DC, the Texas lawmakers put pressure on Congress to pass the For the People Act, a comprehensive federal voting rights bill that would counteract a number of voting restrictions put in place by Republicans at the state level. Aj Willingham, CNN, 17 June 2021 Taylor has been pursuing a line of research since the beginning of her project that might counteract the risks posed by using cotton. Theresa Machemer, Smithsonian Magazine, 25 Mar. 2021 Social and behavioral health data that might counteract disparities are not universally collected and analyzed. Casey Ross, STAT, 13 Oct. 2020 Many of those same factors may also counteract each other when combined, or confer unwanted side effects, especially when given over a prolonged period. Elie Dolgin, Smithsonian Magazine, 13 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'counteract.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of counteract

1655, in the meaning defined above

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Time Traveler for counteract

Time Traveler

The first known use of counteract was in 1655

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Statistics for counteract

Last Updated

19 Jul 2021

Cite this Entry

“Counteract.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counteract. Accessed 24 Jul. 2021.

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More Definitions for counteract

counteract

verb

English Language Learners Definition of counteract

: act against (something) : to cause (something) to have less of an effect or to have no effect at all

counteract

verb
coun·​ter·​act | \ ˌkau̇n-tər-ˈakt How to pronounce counteract (audio) \
counteracted; counteracting

Kids Definition of counteract

: to make (something) have less of an effect or no effect at all The antidote counteracts the poison.

counteract

transitive verb
coun·​ter·​act | \ ˌkau̇nt-ə-ˈrakt How to pronounce counteract (audio) \

Medical Definition of counteract

: to make ineffective or restrain or neutralize the usually ill effects of by an opposite force vitamin K counteracts the effects of warfarin

Other Words from counteract

counteraction \ -​ˈrak-​shən How to pronounce counteract (audio) \ noun

More from Merriam-Webster on counteract

Nglish: Translation of counteract for Spanish Speakers

Britannica English: Translation of counteract for Arabic Speakers

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