Impair :: Impair (v. t.) To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate; as, to impair health, character, the mind, value..
Impair :: Impair (v. t.) To grow worse; to deteriorate.
Impairment :: Impairment (n.) The state of being impaired; injury.
Pair :: Pair (n.) A number of things resembling one another, or belonging together; a set; as, a pair or flight of stairs. A pair of beads. Chaucer. Beau. & Fl. Four pair of stairs. Macaulay. [Now mostly or quite disused, except as to stairs.].
Pair :: Pair (n.) Two things of a kind, similar in form, suited to each other, and intended to be used together; as, a pair of gloves or stockings; a pair of shoes..
Pair :: Pair (n.) Two of a sort; a span; a yoke; a couple; a brace; as, a pair of horses; a pair of oxen..
Pair :: Pair (n.) A married couple; a man and wife.
Pair :: Pair (n.) A single thing, composed of two pieces fitted to each other and used together; as, a pair of scissors; a pair of tongs; a pair of bellows..
Pair :: Pair (n.) Two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time; as, there were two pairs on the final vote..
Pair :: Pair (n.) In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion..