Impair, vb. to make worse, to injure, to weaken: “I i. not beauty, being mute,” Sonn. 83, 11. “i. the seeing sense,” Mids. III, 2, 179. “like a tangled chain, nothing --ed, but all disordered,” V, 126. “--ing Henry, strengthening misproud York,” H6C II, 6, 7.

