half-brother half brother • half bull · · · Info · Definitions · Synonyms · Characters · · half-brother · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a brother who has only one parent in common with you. Synonyms: stepbrother, half brother. · · Noun Definition 1 Synonyms · · · stepbrother · · Synonym 1 half brother · · Synonym 2 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 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