The Collaborative International Dictionary of English v.0.48:

Mildew \Mil"dew\, v. t. [imp. & p. p. Mildewed; p. pr. & vb.
   n. Mildewing.]
   To taint with mildew; as, mildewed clothing.
   [1913 Webster]

         He . . . mildews the white wheat.        --Shak.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

74 Moby Thesaurus words for "mildewed":
   bad, bad-smelling, blasted, blighted, blown, crumbling, despoiled,
   dilapidated, dusty, fecal, fetid, flyblown, foul, frowsty, frowsy,
   frowy, frowzy, fulsome, funky, fusty, gamy, gone to seed,
   graveolent, high, ill-smelling, maggoty, malodorous, mephitic,
   miasmal, miasmic, mildewy, moldering, moldy, moss-grown,
   moth-eaten, musty, nidorous, noisome, noxious, odorous, offensive,
   olid, putrid, rancid, rank, ravaged, reasty, reasy, reechy,
   reeking, reeky, repulsive, rotten, ruined, ruinous, rusty,
   smellful, smelling, smelly, smutted, smutty, stale, stenchy,
   stinking, strong, stuffy, sulfurous, time-scarred, timeworn, vile,
   weevily, worm-eaten, wormy, worn