nauseous

Concise Oxford English Dictionary © 2008 Oxford University Press:
nauseous/ˈnɔːziəs/

▶adjective

• 1 affected with nausea.

• 2 causing nausea; offensive to the taste or smell.

– derivatives
nauseously adverb,
nauseousness noun.

– origin C17: from L. nauseosus (from nausea ‘seasickness’).