Webster's Revised Unabridged Dictionary · 1913

Nauseous

Nauseous (?; 277) , adjective

[Latin nauseosus.]

1.
Causing, or fitted to cause, nausea; sickening; loathsome; disgusting; exciting abhorrence; as, a nauseous drug or medicine.
2.
Feeling nausea; as, nauseous from the effects of chemotherapy.
The nauseousness of such company disgusts a reasonable man. — Dryden