Synonyms and related words :
awful, bad, barfy, beastly, brackish, cloying, disgusting, fetid, foul, fulsome, high, icky, maggoty, mawkish, mucky, nasty, nauseant, nauseating, nauseous, noisome, noxious, offensive, overripe, poisonous, rancid, rank, rebarbative, repellent, repugnant, revolting, rotten, sickening, spoiled, stinking, unappetizing, vile, vomity, weevily