As verbs the difference between counteract and impair
is that counteract is 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 while impair is to weaken; to affect negatively; to have a diminishing effect on.
As an adjective impair is
not fit or appropriate.
counteract
English
Verb
(
en verb)
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
Derived terms
* counteractant
* counteracter
* counteractingly
* counteraction
* counteractive
* counteractively
* counteractor
impair
English
Alternative forms
* (l) (qualifier)
Verb
(
en verb)
To weaken; to affect negatively; to have a diminishing effect on.
(archaic) To grow worse; to deteriorate.
- (Milton)
Derived terms
* (l)
External links
*
*
*
----