/ ˈnɔːziəs; ˈnɔːsiəs; NAmE ˈnɔːʃəs/ adjective
1.
feeling as if you want to vomit :
She felt dizzy and nauseous.
2.
making you feel as if you want to vomit :
a nauseous smell
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WORD ORIGIN
early 17th cent.: from Latin nauseosus (from nausea seasickness).