Rancid

Adjective

 * 1) Being rank in taste or smell.
 * The house was deserted, with a rancid half-eaten meal still on the dinner table.
 * 1) offensive

Thesaurus
awful, bad, bad-smelling, barfy, blown, brackish, cloying, corrupt, decayed, disagreeable, fecal, fetid, foul, frowsty, frowy, frowzy, fulsome, funky, fusty, gamy, graveolent, high, icky, ill-smelling, loathsome, maggoty, malodorous, mawkish, mephitic, miasmal, miasmic, mildewed, mildewy, moldy, musty, nasty, nauseant, nauseating, nauseous, nidorous, noisome, noxious, odious, odorous, off, offensive, olid, overripe, poisonous, putrid, rank, reasty, reasy, rebarbative, reechy, reeking, reeky, repulsive, ripe, rotten, sickening, smellful, smelling, smelly, sour, soured, spoiled, spoilt, stale, stenchy, stinking, strong, stuffy, sulfurous, tainted, turned, vile, vomity, weevily, yucky

Related terms

 * rancidification
 * rancidly
 * rancidness
 * rancor