Verb

• S: (v) sicken, nauseate, turn one's stomach (upset and make nauseated) "The smell of the food turned the pregnant woman's stomach"; "The mold on the food sickened the diners"
• S: (v) disgust, revolt, nauseate, sicken, churn up (cause aversion in; offend the moral sense of) "The pornographic pictures sickened us"

Adjective

• S: (adj) nauseating, nauseous, noisome, queasy, loathsome, offensive, sickening, vile (causing or able to cause nausea) "a nauseating smell"; "nauseous offal"; "a sickening stench"