/ Dictionary / Index O overbreak: Meaning and Definition of Find definitions for: o•ver•break Pronunciation: (ō'vur-brāk"), [key] — n. Civ. Engin. earth or rock excavated outside of neat lines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overbrake overbudget Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language