rusty

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Covered with rust; corroded.
2. adj. Consisting of or produced by rust.
3. adj. Of a yellowish-red or brownish-red color.
4. adj. Working or operating stiffly or incorrectly because of or as if because of rust.
5. adj. Weakened or impaired by neglect, disuse, or lack of practice.

Century Dictionary and Cyclopedia

1. Covered or affected with rust: as, a rusty knife or sword.
2. Consisting of rust; hence, having the appearance or effect of rust: as, rusty stains.
3. Covered, incrusted, or stained with a dirty substance resembling rust; hence, filthy; specifically, as applied to grain, affected with the rust-disease: as, rusty wheat.
4. In botany and zoology, of the color of rust; rubiginous; ferruginous.
5. Red or yellow, as fish when the brine in which they are prepared evaporates. Fat fish, like herrings, mackerel, or halibut-fins, often turn rusty.
6. Having lost the original gloss or luster; time-worn; shabby: as, a rusty black; clothes rusty at the seams.
7. Out of practice; dulled in skill or knowledge through disuse or inactivity.
8. Causing rust; rendering dull or inactive.
9. Rough; hoarse; harsh; grating: as, a rusty voice.
10. To make rusty; rust.
11. Same as reasty for reasted.
12. Stubborn: same as resty for restive.
13. Uncivil; surly.

Wiktionary

1. adj. Affected by rust.
2. adj. Of the rust color, reddish or reddish-brown.
3. adj. Having red or reddish-brown hair.
4. adj. Lacking recent experience, out of practice, especially with respect to a skill or activity.
5. adj. discolored and rancid; reasty

GNU Webster's 1913

1. adj. Covered or affected with rust.
2. adj. Impaired by inaction, disuse, or neglect.
3. adj. Discolored and rancid; reasty.
4. adj. Obs. or Prov. Eng. Surly; morose; crusty; sullen.
5. adj. Rust-colored; dark.
6. adj. Discolored; stained; not cleanly kept; filthy.
7. adj. (Bot.) Resembling, or covered with a substance resembling, rust; affected with rust; rubiginous.

WordNet 3.0

1. adj. covered with or consisting of rust
2. adj. impaired in skill by neglect
3. adj. ancient.
4. adj. of the brown color of rust