/ Dictionary / Index B break-in: Meaning and Definition of Find definitions for: break-in Pronunciation: (brāk'in"), [key] — n. an illegal entry into a home, car, office, etc. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: break-in (Thesaurus) breakfront breaking Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language