1. Covered with a layer of dust
   "a dusty pile of books";
   - dust-covered
    
2. Lacking originality or spontaneity; no longer new
   "dusty news";
   - cold, stale, moth-eaten
    
3. Powdery and resembling dust
   "The old books released a dusty smell when opened"

Derived forms: dustier, dustiest

See also: covered, unoriginal

Encyclopedia: Dusty, Washington