i Register
In some senses, nauseous is marked as obsolete. Watch for register when choosing this word.
adj
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.
Inclined to nausea; sickly, squeamish.
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 …