/ Dictionary / Index O ostentation: Meaning and Definition of Find definitions for: os•ten•ta•tion Pronunciation: (os"ten-tā'shun, -tun-), [key] — n. pretentious or conspicuous show, as of wealth or importance; display intended to impress others. the act of showing or exhibiting; display. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostentation (Thesaurus) ostensory ostentatious Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language