/ Dictionary / Index O outsing: Meaning and Definition of Find definitions for: out•sing Pronunciation: (out"sing'), [key] — -sang, -sung, -sing•ing. to sing better than. to sing louder than. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. outsight outsit Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language