The meaning of COUNTERACT is to make ineffective or restrain or neutralize the usually ill effects of by means of an opposite force, action, or influence. How to use counteract in a …

COUNTERACT definition: 1. to reduce or remove the effect of something unwanted by producing an opposite effect: 2. to…. Learn more.

counteract (ˌkaʊntərˈækt) vb (tr) to oppose, neutralize, or mitigate the effects of by contrary action; check ˌcounterˈaction n

To counteract something means to reduce its effect by doing something that produces an opposite effect. My husband has to take several pills to counteract high blood pressure. [VERB …

COUNTERACT definition: to act in opposition to; frustrate by contrary action. See examples of counteract used in a sentence.

Definition of counteract verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

counteract meaning, definition, what is counteract: to reduce or prevent the bad effect of s...: Learn more.

To counteract is to work against something in an attempt to reverse it or cancel it out. You can try to counteract the neighbors' annoyance at your loud music by bringing them some homemade …

Nov 21, 2025 · When people hear my American accent, they want to talk to me about Donald Trump. They want to ask me what happened, and why. But most of all, they ask me – with fear …

Definition of counteract. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.