1. of or relating to a military rank below that of commissioned officer, such as sergeant or corporal
Usage: commonly used in military contexts; often abbreviated as NCO (noncommissioned officer)

Examples

• The noncommissioned officers led the training exercise.
• She was promoted to a noncommissioned rank after two years of service.
• Noncommissioned personnel handle many of the day-to-day operations.
• The sergeant is a noncommissioned member of the military hierarchy.
• Noncommissioned ranks include corporal, sergeant, and staff sergeant.