1. (n.) Having the rank, pungent, offensive odor and taste which substances of organic origin acquire during warm, moist weather; foul or sour and fetid; moldy; as, musty corn; musty books.

2. (n.) Spoiled by age; rank; stale.

3. (n.) Dull; heavy; spiritless.

ancient antediluvian antiquated archaic back-number bad bad-smelling banal bewhiskered blasted blighted blown bromidic burning bygone cliched common commonplace corny crumbling cut-and-dried damp decayed despoiled dilapidated dirty dusty estral estrous estrual fade familiar fecal fetid filthy flyblown foul frowsty frowsy frowy frowzy fulsome funky fusty gamy gone to seed graveolent hackney hackneyed high hoary hot ill-smelling in heat in must in rut maggoty malodorous mephitic miasmal miasmic mildewed mildewy moldering moldy moss-grown moth-eaten mouldy must nidorous noisome noxious obsolete odorous offensive old hat old-fashioned olid out of date passe platitudinous putrid rancid rank ravaged reasty reasy reechy reeking reeky repulsive rotten ruined ruinous rusty rutting ruttish rutty set shopworn smellful smelling smelly smutted smutty sour spoilt squalid square stale stenchy stereotyped stinking stock strong stuffy sulfurous threadbare time-scarred timeworn tired trite truistic unoriginal vile warmed-over weevily well-known well-worn worm-eaten wormy worn worn out worn thin