nauseous

/ˈnɔːʃəs/

nau·se·ous

BrE /ˈnɔːziəs/,

/ˈnɔːsiəs/

NAmE /ˈnɔːʃəs/

feeling as if you want to vomit

She felt dizzy and nauseous.

making you feel as if you want to vomit

a nauseous smell