counteract

Verbs

(v) act in opposition to antagonise, antagonize,
(v) oppose or check by a counteraction countercheck,
(v) oppose and mitigate the effects of by contrary actions
- This will counteract the foolish actions of my colleagues
countervail, counterbalance, neutralize,
(v) destroy property or hinder normal operations
- The Resistance sabotaged railroad operations during the war
countermine, sabotage, undermine, subvert, weaken,

Synonyms

antagonise antagonize countercheck countervail counterbalance neutralize countermine sabotage undermine subvert weaken

Words of close approximity

counteraction counteractive counteractively