1. a temporary alliance of distinct parties, persons, or states for joint action

Examples

• The two political parties formed a coalition to pass the healthcare bill.
• A coalition of environmental groups protested the new pipeline.
• The ruling coalition collapsed after disagreements over tax policy.
• Several countries joined the military coalition against terrorism.
• The coalition government lasted only eighteen months.
• Labor unions formed a coalition to negotiate better working conditions.
• The coalition of businesses supported the downtown revitalization project.