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To act in opposition to; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice.
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counteract
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Counteract — Coun ter*act (koun t?r ?kt ), v. t. [imp. & p. p. {Counteracted}; p. pr. & vb. n. {Counteracting}.] To act in opposition to; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to… … The Collaborative International Dictionary of English
counteract — UK US /ˌkaʊntərˈækt/ verb [T] ► to take action to reduce the influence of something that may be harmful: »Spending on marketing and advertising has increased in order to counteract falling sales. »These new energy technologies are aimed at… … Financial and business terms
counteract — I verb act in opposition to, agitate against, annul, antagonize, be at cross purposes, be contrary, bid against, cancel out, clash, collide, come in conflict with, conflict with, confute, contend, contradict, counter, counterbalance, countermand … Law dictionary
counteract — 1670s, from COUNTER (Cf. counter ) + ACT (Cf. act). Related: Counteracted; counteracting … Etymology dictionary
counteract — *neutralize, negative Analogous words: *correct, rectify: offset, counterbalance, countervail, counterpoise, balance, *compensate Antonyms: cooperate Contrasted words: conjoin, concur, *unite, combine … New Dictionary of Synonyms
counteract — [v] do opposing action annul, buck, cancel, cancel out, check, contravene, correct, counterbalance, countercheck, countervail, counterwork, cross, defeat, fix, foil, frustrate, go against, halt, hinder, invalidate, negate, negative, neutralize,… … New thesaurus
counteract — ► VERB ▪ act against (something) so as to reduce its force or neutralize it. DERIVATIVES counteraction noun counteractive adjective … English terms dictionary
counteract — [kount΄ər akt′] vt. to act directly against; check, neutralize, or undo the effect of with opposing action counteraction n. counteractive adj., n … English World dictionary
counteract — UK [ˌkaʊntərˈækt] / US verb [transitive] Word forms counteract : present tense I/you/we/they counteract he/she/it counteracts present participle counteracting past tense counteracted past participle counteracted to reduce the negative effect of… … English dictionary
counteract — [[t]ka͟ʊntərækt[/t]] counteracts, counteracting, counteracted VERB To counteract something means to reduce its effect by doing something that produces an opposite effect. [V n] My husband has to take several pills to counteract high blood… … English dictionary
