/ Dictionary / Index B breach of contract: Meaning and Definition of Find definitions for: breach' of con'tract Pronunciation: [key] unexcused failure to fulfill one's duties under a contract. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. breach breach of faith Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language