The Open Dictionary

non-commissioned officer

noun

UK/ˌnɒn.kə.mɪʃ.ᵊnd ˈɒf.ɪ.səʳ/
US/ˌnɑːn.kə.mɪʃ.ᵊnd ˈɑː.fɪ.sɚ/

Definitions of non-commissioned officer noun

  1. Countable

    A member of the armed forces who has attained officer status through promotion from lower ranks, rather than by receiving a commission.

    • The sergeant major has served in the military for over 20 years.

    • The corporal was training new recruits in basic combat skills.

    • He was promoted to the rank of sergeant due to his outstanding performance.