/ Dictionary / Index U ultranationalist: Meaning and Definition of Find definitions for: ul•tra•na•tion•al•ist Pronunciation: (ul"tru-nash'u-nl-ist), [key] — n. an advocate of ultranationalism. —adj. of or pertaining to ultranationalism or ultranationalists. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ultranationalism ultranet Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language