rusty

Universal Words adjective 1 covered with RUST: rusty metal * a rusty old car / nail 2 [notusuallybeforenoun] (informal) (of a sport, skill, etc.) not as good as it used to be, because you have not been practising: My tennis is very rusty these days. * I haven't played the piano for ages-I may be a bit rusty rustiness noun [U]