/ Dictionary / Index M missout: Meaning and Definition of Find definitions for: miss•out Pronunciation: (mis'out"), [key] — n. (in the game of craps) a losing throw of the dice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Missouri meerschaum misspeak Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language