English dictionary
impair
/&/N_'p/E/R/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
-
Not fit or appropriate.
Source: webster1913
noun
-
Diminution; injury.
Source: webster1913
verb
-
make worse or less effective
ExamplesHis vision was impaired.
Source: WordNet 3.0
-
make imperfect
Source: WordNet 3.0
-
To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate; as, to <i>impair</i> health, character, the mind, value.
Source: webster1913
-
To grow worse; to deteriorate.
Source: webster1913