counteract

[ koun-ter-akt ]
/ ˌkaʊn tərˈækt /
SEE SYNONYMS FOR counteract ON THESAURUS.COM

verb (used with object)

to act in opposition to; frustrate by contrary action.

Origin of counteract

First recorded in 1670–80; counter- + act

OTHER WORDS FROM counteract

Words nearby counteract

counter-boulle, counter-ion, counter-reformation, counter-revolution, counter-revolutionary, counteract, counterargument, counterattack, counterattraction, counterbalance, counterbid

Words related to counteraction

retribution, counterpoise, counterblow, revenge, reprisal, reciprocation, counterbalance, offset, balance, counterattack, vengeance, neutralization, countermove, counteroffensive

Example sentences from the Web for counteraction

British Dictionary definitions for counteraction

counteract
/ (ˌkaʊntərˈækt) /

verb

(tr) to oppose, neutralize, or mitigate the effects of by contrary action; check

Derived forms of counteract

counteraction, noun counteractive, adjective counteractively, adverb