1. a member or supporter of a labor union
2. a person who supports the political union of separate states or regions
Usage: political
3. a supporter of the Union during the American Civil War
Usage: historical

Examples

• The unionist organized a strike to demand better working conditions.
• As a longtime unionist, she believed in collective bargaining rights.
• The unionist opposed the region’s independence movement.
• He was a strong unionist who supported keeping the country together.
• Many unionists fought for the North during the Civil War.
• The factory workers elected a unionist as their representative.
• She joined the unionist cause to protect workers’ rights.