betrothal betroth • betrothed · · · Info · Definitions · Synonyms · Characters · · betrothal · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a mutual promise to marry. Synonyms: troth, engagement. · · Noun Definition 1 (noun) the act of becoming betrothed or engaged. Synonyms: espousal. · · Noun Definition 2 Synonyms · · · troth · · Synonym 1 engagement · · Synonym 2 espousal · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074