Definition of Counteract

act against or in opposition to something

Examples of Counteract in a sentence

To counteract the violence in the community, the police increased the number of footmen on patrol.  🔊

The emergency room staff gave her a shot to counteract the snake venom.  🔊

In order to counteract any allergic reaction, the child carried injectable epinephrine.  🔊

My toddler can quickly counteract any cleaning progress I make.  🔊

He was able to counteract the fire by putting it out with baking soda.  🔊

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