verb

counteract

to counteract, to neutralize, to act against

This medicine will counteract the poison.

This medicine will counteract the poison.

They took steps to counteract the negative effects.

They took steps to counteract the negative effects.

((sth.)) to reduce or prevent the effect of (sth.) This medicine will counteract the poison.

Synonyms: neutralize, offset, oppose; Antonyms: aid, support

From the prefix 'counter-' (against, in opposition to) and the verb 'act'. Literally 'to act against'.

Think of it as taking an 'action' that is 'counter' (against) something else.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.