unionist unionism • unionistic · · · Info · Definitions · Synonyms · Characters · · unionist · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a worker who belongs to a trade union. Synonyms: trade unionist, union member. · · Noun Definition 1 Synonyms · · · trade unionist · · Synonym 1 union member · · Synonym 2 Characters · · i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075