Adjectives

(s)nauseating, nauseous, noisome, queasy, loathsome, offensive, sickening, vilecausing or able to cause nausea“a nauseating smell”, “nauseous offal”, “a sickening stench”
(s)disgusting, disgustful, distasteful, foul, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, wicked, yuckyhighly offensive; arousing aversion or disgust“a disgusting smell”, “distasteful language”, “a loathsome disease”, “the idea of eating meat is repellent to me”, “revolting food”, “a wicked stench”