Meaning & use
counteract
To reduce or cancel out the effect of something by acting in an opposite way.
See it in a sentence
Regular exercise can help counteract the negative effects of a sedentary job.
The medication was designed to counteract the side effects of the chemotherapy.
A note on using this word
Counteract implies an active response working directly against a specific force or effect, not merely a passive difference.
Words with a similar meaning
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Words with an opposite meaning
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