nauseous

adj

1. Causing nausea; sickening or disgusting.

   “[…] And flattery tipt with nauseous fleer, And guilty shame, and servile fear, Envy, and cruelty, and pride, Will in your tainted heart preside.”

   “[T]he Italians grossness of Conversation is still very offensive & nauseous, tho' long accustomed to it.”

   “And then what proper person can be partial / To all those nauseous epigrams of Martial?”

2. (obsolete)Inclined to nausea; sickly, squeamish.
3. (proscribed)Afflicted with nausea; sick.

   “After he had scarcely eaten enough, he felt nauseous; but nausea ceased as soon as he stopped eating entirely, …”

   “[…] during stretching the patient felt nauseous …”

   “Is it a myth that you shouldn't drink alcohol while taking antibiotics? I often do and haven't felt remotely nauseous.”