I. rusty ˈrəs-tē adjective
( rust·i·er ; -est )
Date: before 12th century
1. : affected by or as if by rust ; especially : stiff with or as if with rust
2. : inept and slow through lack of practice or old age
3.
a. : of the color rust
b. : dulled in color or appearance by age and use
rusty old boots
4. : outmoded
5. : hoarse , grating
• rust·i·ly -tə-lē adverb
• rust·i·ness -tē-nəs noun
II. rus·ty ˈrəs-tē adjective
( rus·ti·er ; -est )
Etymology: alteration of restive
Date: 1625
chiefly dialect : ill-natured , surly