/ Dictionary / Index B breakout: Meaning and Definition of Find definitions for: break•out Pronunciation: (brāk'out"), [key] — n. an escape, often with the use of force, as from a prison or mental institution. an appearance or manifestation, as of a disease, that is sudden and often widespread; outbreak. an itemization; breakdown: a hotel bill with a breakout of each service offered. an instance of surpassing any previous achievement: a breakout in gold prices. the act or process of removing and disassembling equipment that has been used in drilling a well. —adj. of or constituting a sudden increase, advance, or unexpected success: The director has finally scored with a breakout movie. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: breakout (Thesaurus) break of day breakover Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language