half dollar half diphthong • half door · · · Info · Definitions · Synonyms · Characters · · half dollar · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a United States coin worth half of a dollar. Synonyms: half dollar, fifty-cent piece. · · Noun Definition 1 Synonyms · · · fifty-cent piece · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 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