/ Dictionary / Index U unearned run: Meaning and Definition of Find definitions for: un'earned run' Pronunciation: [key] — Baseball. Baseball. a run scored as the result of defensive errors. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unearned increment unearth Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language