WordWeb Online

1. Lose vigour, health, or flesh, as through grief
   "After her husband died, she just languished";
   - pine away, waste
    
2. Have a desire for something or someone who is not present
   "She languished for a cigarette";
   - ache, yearn, yen, pine
    
3. Become feeble
   "The prisoner has been languishing for years in the dungeon";
   - fade

Derived forms: languishing, languishes, languished

Type of: degenerate, deteriorate, devolve, drop, hanker, long, pant [informal], weaken, yearn