| rusty | 1. Covered or affected with rust; as, a rusty knife or sword; rusty wheat. 2. Impaired by inaction, disuse, or neglect. "[Hector] in this dull and long-continued truce, Is rusty grown." (Shak) 3. Discoloured and rancid; reasty; as, rusty bacon. 4. Surly; morose; crusty; sullen. "Rusty words." 5. Rust-coloured; dark. "Rusty blood." 6. Discoloured; stained; not cleanly kept; filthy. "The rustly little schooners that bring fire wood from the Brititsh provinces." (Hawthorne) 7. <botany> Resembling, or covered with a substance resembling, rust; affected with rust; rubiginous. Origin: Rustier; Rustiest. Source: Websters Dictionary (01 Mar 1998) |
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| rusty sputum | A reddish brown, blood-stained expectoration characteristic of lobar pneumonococcal pneumonia. (05 Mar 2000) |