/ Dictionary / Index B breach of the peace: Meaning and Definition of Find definitions for: breach' of the peace' Pronunciation: [key] — Law. Law. a violation of the public peace, as by a riot, disturbance, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. breach of promise breach of trust Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language