1. a noncommissioned officer in the army or air force ranking above a corporal
Usage: military
2. a police officer ranking below a lieutenant
Usage: law enforcement

Examples

• The sergeant ordered the soldiers to fall in line.
• She was promoted to sergeant after five years of service.
• Sergeant Johnson led the training exercise.
• The police sergeant supervised the investigation.
• He earned his sergeant stripes through hard work.
• The drill sergeant shouted commands at the recruits.
• Sergeant Martinez briefed the officers on patrol duties.