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

With such a fund, these councilmembers hope to study city power structures and recreate a system that accounts for and counteracts systemic racial and socioeconomic inequities. Lan Diep, The Mercury News, "Opinion: Don’t politicize, San Jose’s budget – pass it," 11 June 2019 In the week ahead, a down-to-earth and highly specific approach works best to counteract sweeping statements and broad generalizations. Tribune Content Agency, oregonlive.com, "Horoscope for June 9, 2019: Capricorn, be patient; Taurus, savor the process," 9 June 2019 So, any effect that CBD has on CB receptors may actually be more related to regulating and even counteracting some of the actions of THC and other cannabinoids in the brain. Sarah Jacoby, SELF, "Do Topical CBD Products Actually Do Anything for Pain?," 19 Apr. 2019 Rimless frames as well as butterfly and square-bottom styles work well to counteract the angles. Amanda Greene, Woman's Day, "Sunglasses for Every Face Shape," 9 July 2010 Well, while Pelosi is still toxic for Democrats, Lamb was able to counteract that by 1) distancing himself from Pelosi, and 2) having a story to tell. Chuck Todd, NBC News, "Why the Pennsylvania special election was a gut punch for the GOP," 14 Mar. 2018 For the eyes, concentrate on the under eyes and tear ducts to effectively counteract dark circles. Lauren Valenti, Vogue, "A Guide to Ageless Makeup for Women Over 50, According to an Industry Veteran," 27 Mar. 2019 Those two games, along with Battlefield V, pair DLSS with real-time ray tracing features to counteract the latter’s performance hit. Brad Chacos, PCWorld, "BioWare's Anthem adds DLSS support as Nvidia's RTX push continues," 26 Mar. 2019 Yet operation of those older systems was highlighted in training over the years, and pilots had to memorize steps to counteract potentially dangerous unintended consequences. Andrew Tangel, WSJ, "Boeing Withheld Information on 737 Model, According to Safety Experts and Others," 12 Nov. 2018

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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Statistics for counteract

Last Updated

15 Jun 2019

Look-up Popularity

Time Traveler for counteract

The first known use of counteract was in 1655

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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 counteraction (audio) \ noun

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Comments on counteract

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