breach of promise breach of duty • breach of the covenant of warranty · · · Info · Definitions · Characters · · breach of promise · · Text Common · · Latin · · Scripts 17 · · Length 4 · · Syllables Definitions · · · (noun) failure to keep a promise (of marriage). Synonyms: breach of promise. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073