1. something that is more important than other things and should be dealt with first
2. the right to be dealt with before others

Examples

• Education should be our top priority.
• Getting a job is my first priority right now.
• The hospital gives priority to emergency cases.
• We need to set our priorities before making a decision.
• Safety is always the priority in this workplace.
• Emergency vehicles have priority at intersections.
• The company’s priorities have shifted this year.