Thesaurus.com
Dictionary.com
Showing results for counteract. Search instead for countertac.
Definitions

counteract

[koun-ter-akt] / ˌkaʊn tərˈækt /
VERB
do opposing action
Synonyms
STRONGEST
cancel out correct counterbalance halt negate neutralize offset prevent rectify redress resist thwart
STRONG
annul buck cancel check contravene countercheck countervail cross defeat fix foil frustrate hinder invalidate negative oppose remediate right
WEAK
counterwork go against
Antonyms
STRONGEST
aid allow assist forward help worsen
STRONG
abet approve break encourage facilitate permit support uphold validate

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.

None of it did much to counteract the sense that life had become too expensive.

From Slate • Mar. 25, 2026

Announcing its approval, the FCC said the deal would help "counteract the growing imbalance of power" between local broadcast TV stations and the large media firms, including Fox, Disney and Paramount, that dominate programming.

From BBC • Mar. 20, 2026

In the new study, the team explored whether GLP-1 drugs could counteract this process and reopen the tiny blood vessels that become blocked.

From Science Daily • Mar. 4, 2026

The appeal its stance does have for some white working class voters in the constituency was insufficient to counteract that disadvantage.

From BBC • Feb. 27, 2026

He clawed again for the copper and looped the wiring around his hand to counteract its slickness.

From "Ship Breaker" by Paolo Bacigalupi