— impairable , adj. — impairer , n. — impairment , n.
/im pair"/ , v.t.
1. to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations.
v.i.
2. to grow or become worse; lessen.
n.
3. Archaic. impairment.
[ 1250-1300; ME empairen, empeiren to make worse empeirer, equiv. to em- IM- 1 + peirer to make worse pejorare, equiv. to L pejor-, s. of pejor worse + -a- thematic vowel + -re inf. suffix; cf. PEJORATIVE ]
Syn. 1. See injure .
Ant. 1. repair.
/aonn perdd"/ , adj. French.
noting any odd number, esp. in roulette. Cf. pair .