counteract
verb (used with object)
to act in opposition to; frustrate by contrary action.
counteracted
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past participleof counteract.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
-
past tense formof counteract.past tense
Used to describe completed actions or previous habitual actions.
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.
And one 10-second play from Friday’s Game 2 shows just how the Knicks have counteracted the player known as The Alien—by manipulating space and time.
From The Wall Street Journal ● Jun. 7, 2026
Drones can also be counteracted with “kinetic” systems, which can shoot down drones.
From Barron's ● Mar. 4, 2026
Bovino’s version of events quickly counteracted by videos of Pretti’s death.
From Salon ● Jan. 27, 2026
In 2025, researchers at the University of Louvain and Imperial College London clarified how this harmful chain reaction might be counteracted.
From Science Daily ● Dec. 8, 2025
The Spaniards counteracted this threat by inventing a pretext to seize the tlatoani in his own palace, making him first their captive and then their puppet.
From "1491" by Charles C. Mann
