hallmark hallman • hallmarked · · · Info · Definitions · Synonyms · Characters · · hallmark · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a distinctive characteristic or attribute. Synonyms: trademark, earmark, stylemark. · · Noun Definition 1 (noun) a mark on an article of trade to indicate its origin and authenticity. Synonyms: authentication, assay-mark. · · Noun Definition 2 Synonyms · · · trademark · · Synonym 1 earmark · · Synonym 2 stylemark · · Synonym 3 authentication · · Synonym 4 assay-mark · · Synonym 5 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 k latin small letter k U+006B l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072