Dictionary.com
Thesaurus.com

counteracts

  • present tense form
    of counteract (3rd person singular).
    counteract
    verb (used with object)
    to act in opposition to; frustrate by contrary action.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"These cells are probably attempting to clear damage and promote repair, but that process fails, worsens inflammation, and counteracts recovery."

From Science Daily Jun. 29, 2026

Gravity makes dark matter clump together, but dark energy counteracts this effect.

From New York Times May 23, 2024

Now, researchers report that a once-promising new drug, an antibody that counteracts a pernicious toxin in the viper’s venom, has failed in animal trials.

From Science Magazine Jan. 16, 2024

"I do believe that we can win," he counteracts, "and I won't stop fighting until we do."

From BBC Jan. 12, 2024

He did this by adding a cosmological constant, an as yet undetected force that counteracts the force of gravity.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife