nauseating

(verb) upset and make nauseated. Synonyms: sicken, nauseate, turn one's stomach. Examples: "The smell of the food turned the pregnant woman's stomach." "The mold on the food sickened the diners."

(verb) cause aversion in; offend the moral sense of. Synonyms: disgust, revolt, nauseate, sicken, churn up. Example: "The pornographic pictures sickened us."

(adj) causing or able to cause nausea. Synonyms: nauseous, noisome, queasy, loathsome, offensive, sickening, vile. Examples: "A nauseating smell." "Nauseous offal." "A sickening stench."