/ Dictionary / Index O overscore: Meaning and Definition of Find definitions for: o•ver•score Pronunciation: (ō"vur-skôr', -skōr'), [key] — -scored, -scor•ing. to score over, as with strokes or lines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overscale overscrupulous Related Content Daily Word Quiz: exasperate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language