D defs.my
Entry 7 senses Webster, 1913

Rusty

/rŭs'-tē/ · Rust·y · IPA /ˈɹʌsti/
01 a. Covered or affected with rust; as, a rusty knife or sword; rusty wheat.
  1. 1.
    Covered or affected with rust; as, a rusty knife or sword; rusty wheat.
  2. 2.
    Impaired by inaction, disuse, or neglect.
    “[Hector,] in this dull and long-continued truce, Is rusty grown.” Shak.
  3. 3.
    Discolored and rancid; reasty; as, rusty bacon.
  4. 4.
    Surly; morose; crusty; sullen.[Obs. or Prov. Eng.]
  5. 5.
    Rust-colored; dark.
  6. 6.
    Discolored; stained; not cleanly kept; filthy.
    “The rusty little schooners that bring firewood from the British provinces.” Hawthorne.
  7. 7.
    Resembling, or covered with a substance resembling, rust; affected with rust; rubiginous.(Bot.)