covered or affected with rust; as, a rusty knife or sword; rusty wheat.-impaired by inaction, disuse, or neglect.-discolored and rancid; reasty; as, rusty bacon.-surly; morose; crusty; sullen.-rust-colored; dark.-discolored; stained; not cleanly kept; filthy.-resembling, or covered with a substance resembling, rust; affected with rust; rubiginous.