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Webster 1913 Edition
Counteract
Counˊter-act′
(kounˊt?r-?kt′)
, Verb.
T.
[
imp. & p. p.
Counteracted
; p. pr. & vb. n.
Counteracting
.] To act in opposition to; to hinder, defeat, or frustrate, by contrary agency or influence;
as, to
. counteract
the effect of medicines; to counteract
good adviceWebster 1828 Edition
Counteract
COUNTERACT
,Verb.
T.
Definition 2025
counteract
counteract
English
Verb
counteract (third-person singular simple present counteracts, present participle counteracting, simple past and past participle counteracted)
- To act in opposition to; thwart; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice.
Synonyms
- See also Wikisaurus:hinder
Derived terms
Derived terms