/ Dictionary / Index O outtough: Meaning and Definition of Find definitions for: out•tough Pronunciation: (out"tuf'), [key] — v.t. to get the better of (a competitor) by showing more determination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. outthrust outtrade Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language