1. people who are disloyal; those who betray allegiance or break faith with a person, group, or cause
Usage: plural form; often used in historical or political contexts

Examples

• The disloyalists within the organization were identified and removed.
• During the war, disloyalists were viewed as a serious threat to national security.
• The king punished the disloyalists who had conspired against him.
• Historians debated whether the disloyalists had legitimate grievances.
• The party expelled several disloyalists who had publicly criticized its leadership.