rusty

Từ điển Oxford Advanced Learner 8th

rusty [rusty rustier rustiest] BrE [ˈrʌsti] NAmE [ˈrʌsti] adjective (rust·ier, rusti·est)
1. covered with ↑rust
•rusty metal
•a rusty old car
2. not usually before noun (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 little rusty.
Derived Word: ↑rustiness

Word Origin:
Old English rūstig (see ↑rust, ↑-y).

Example Bank:
•My golf's a bit rusty— I haven't played for years!
•skills that grow rusty from disuse

• Từ đồng nghĩa / Synonyms:
  hoary, out of practice(p), rust, rust-brown