- rusty - covered with or consisting of rust; "a rusty machine"; "rusty deposits"
Antonym: rustless (indirect, via rusted)
- rust, rusty - of the color of rust
Antonym: achromatic (indirect, via chromatic)
- out of practice, rusty - impaired in skill by neglect
Antonym: skilled (indirect, via unskilled)
- hoary, rusty - ancient; "hoary jokes"
Antonym: new (indirect, via old)