Breadcrumb Home > Dictionary > Index B Cite 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: breakin (Thesaurus) breakfront breaking TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: subrosa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language