IMPAIR v.
ity, value, excellence, or strength; to deteriorate; as, to impair health, character, the mind, value. Time sensibly all things impairs. Roscommon. In years he seemed, but not impaired by years. Pope.
IN adv.
hat the omitted object is; as, he takes in the situation (i. e., he comprehends it in his mind); the Republicans were in (i. e., in office); in at one ear and out at the other (i. e., in or into the head); his side was in (i. e., in the turn at the bat); he came in (i. e., into the house). Their vacation . . . falls in…