/ Dictionary / Index U ultramodern: Meaning and Definition of Find definitions for: ul•tra•mod•ern Pronunciation: (ul"tru-mod'urn), [key] — adj. very advanced in ideas, design, or techniques. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ultramodern (Thesaurus) ultraminiaturize ultramontane Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language