Adjective: musty (mustier,mustiest) mús-tee
- Stale and unclean smelling
"What are you going to do with all that musty old art and history of yours?";
- fusty, frowsty [Brit, informal]
- Covered with or smelling of mould
"a musty odour";
- moldy [N. Amer], mouldy [Brit, Cdn]
Derived forms: mustiest, mustier
See also: ill-smelling, malodorous, malodourous [Brit, Cdn, non-standard], minging [Brit, informal], niffy [Brit, informal], pongy [Brit, informal], stale, stinky [informal], unpleasant-smelling, whiffy [Brit, informal]