Rust"y (?), a. [AS. rustig.] [Compar. Rustier (); superl. Rustiest.]
1.
Covered or affected with rust; as, a rusty knife or sword; rusty wheat.
2.
Impaired by inaction, disuse, or neglect.
<-- less skillful than when in continued practise -->
[Hector,] in this dull and long-continued truce,
Is rusty grown.
Shak.
3.
Discolored and rancid; reasty; as, rusty bacon.
4.
Surly; morose; crusty; sullen.
[Obs. or Prov. Eng.] "
Rusty words."
Piers Plowman.
5.
Rust-colored; dark.
"
Rusty blood."
Spenser.
6.
Discolored; stained; not cleanly kept; filthy.
The rustly little schooners that bring fire wood from the Brititsh provinces.
Hawthorne.
7. Bot.
Resembling, or covered with a substance resembling, rust; affected with rust; rubiginous.
© Webster 1913.