1. One who upholds unionism; a member of a union.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• unionest,
• unionised,
• unionst,
• unhonest,
• irionist,
• unioinise,
• unionyse,
• junionist,
• unioonist,
• unioinist,
• unionsit,
• unionnist,
• axtionist,
• urinist,
• gnomionist,
• pinionnist,
• Pynionist,
• Siionist,
• unicaast,
• Paulionist

• union suit,
• unionize,
• unionise,
• unionism,
• unionised,
• unhinge,
• unionized,
• unhinged.

The adjective form of the word "unionist" is "unionistic".

The plural of the "unionist" can be the "unionists".

The singular of the "unionist" can be the "unionist".