Musty

a.	1.	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.	Spoiled by age; rank; stale. The proverb is somewhat musty. - Shak.
	3.	Dull; heavy; spiritless.

Adj.	1.	musty - covered with or smelling of mold; "moldy bread"; "a moldy (or musty) odor" Synonyms: moldy, mouldy
	2.	musty - stale and unclean smelling Synonyms: frowsty, fusty

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, 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, 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moth-eaten, mouldy, must, nidorous, noisome, noxious, obsolete, odorous, offensive, old hat, old-fashioned, olid, out of date, passe, platitudinous, putrid, rank, ravaged, reasty, reasy, reechy, reeking, reeky, repulsive, ruined, ruinous, rusty, rutting, ruttish, rutty, set, shopworn, smellful, smelling, smelly, smutted, smutty, sour, spoilt, squalid, square, 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