/ Dictionary / Index B breach of promise: Meaning and Definition of Find definitions for: breach' of prom'ise Pronunciation: [key] — Law. Law. a violation of one's promise, esp. of a promise to marry a specific person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. breach of faith breach of the peace Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language