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counteract

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To counteract is to act in opposition to or against some force in order to neutralize the force.

(verb)

When you try to grab a rope and your friend pulls it away from you in the other direction, this is an example of a time when your friend counteracts your efforts.

See counteract in Webster's New World College Dictionary

transitive verb

to act directly against; check, neutralize, or undo the effect of with opposing action

Related Forms:

counteraction noun
counteractive adjective, noun

See counteract in American Heritage Dictionary 4

transitive verb coun·ter·act·ed, coun·ter·act·ing, coun·ter·acts

To oppose and mitigate the effects of by contrary action; check.

Related Forms:

counˌter·acˈtion noun

counˌter·acˈtive adjective

counˌter·acˈtive·ly adverb

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