counteract
playSimple Definition of counteract
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: act against (something) : to cause (something) to have less of an effect or to have no effect at all
Full Definition of counteract
transitive verb
: to make ineffective or restrain or neutralize the usually ill effects of by means of an opposite force, action, or influence <a drug used to counteract fatigue>
Examples of counteract in a sentence
The drug will counteract the poison.
<this medication will counteract the symptoms but it won't kill the infection>
1655
First Known Use of counteract
1655
COUNTERACT Defined for Kids
counteract
playDefinition of counteract for Students
counteracted
counteracting
: to make (something) have less of an effect or no effect at all <The antidote counteracts the poison.>
Medical Dictionary
Learn More about counteract
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Thesaurus: All synonyms and antonyms for counteract Spanish Central: Translation of counteract Nglish: Translation of counteract for Spanish speakers Britannica English: Translation of counteract for Arabic speakers
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