tr.v., -act·ed, -act·ing, -acts.

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

counteraction coun'ter·ac'tion n.
counteractive coun'ter·ac'tive adj.
counteractively coun'ter·ac'tive·ly adv.

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verb

1. To act as an equalizing weight or force to: balance, compensate, counterbalance, counterpoise, countervail, make up, offset, set off. See order/disorder.
2. To make ineffective by applying an opposite force or amount: cancel, negate, neutralize, nullify. See action/inaction.

v

Definition: do opposing action
Antonyms: aid, approve, assist, help, support

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IN BRIEF: To undo the effect of something.

Wear a warm coat to counteract the cold weather.

Nederlands (Dutch)
tegengaan

Français (French)
v. tr. - contrer, contrecarrer, neutraliser, parer à, riposter à

Deutsch (German)
v. - entgegenwirken

Ελληνική (Greek)
v. - αντενεργώ, εξουδετερώνω, αντισταθμίζω

Italiano (Italian)
annullare, neutralizzare, contrastare

Português (Portuguese)
v. - contrapor-se a

Русский (Russian)
противодействовать

Español (Spanish)
v. tr. - contrarrestar, frustrar, contrariar

Svenska (Swedish)
v. - motverka, neutralisera

中文（简体） (Chinese (Simplified))
抵消, 阻碍, 中和

中文（繁體） (Chinese (Traditional))
v. tr. - 抵消, 阻礙, 中和

日本語 (Japanese)
v. - 中和する, 妨げる, 逆らう

العربيه (Arabic)
‏(فعل) قاوم, أبطل‏

עברית (Hebrew)
v. tr. - ‮פעל נגד, ביטל, נטרל‬

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