Simple past tense and past participle of nauseate.(verb)
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Use "nauseated" in a sentence
"DRob, I think you meant that it made you nauseated, that is unless you meant that it caused you to make the people around you feel sick."
"It's actually a pet peeve, right up there with saying "momentarily" when one means "in a moment" or "nauseous" when one means "nauseated" -- except, of course, that it's far far worse because people who think pity is the same thing as compassion have no incentive to work on developing genuine compassion."
"“The word is nauseated, not nauseous,” he explained."