/ Dictionary / Index N nauseate: Meaning and Definition of Find definitions for: nau•se•ate Pronunciation: (nô'zē-āt", -zhē-, -sē-, -shē-), [key] — v., -at•ed, -at•ing. —v.t. to affect with nausea; sicken. to cause to feel extreme disgust: His vicious behavior toward the dogs nauseates me. —v.i. to become affected with nausea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nauseate (Thesaurus) nauseant nauseating Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language