Word.ws English Dictionary

NCO

NCO is the initialism of numerically controlled oscillator.

NCO is the initialism of non-commissioned officer.

Meaning of non-commissioned officer

Noun

non-commissioned officer (plural non-commissioned officers)

  1. A person of authority in the military who has not received a commission (a direct conveyance of authority from the sovereign government); as such they can have charge or control but not command in the most technical use of the word.
    • A platoon sergeant may only be a non-commissioned officer but he's the one his men look to when the bullets start flying.

Forms of NCO

pluralNCOs

Questions about NCO

What is NCO the initialism of?
NCO is the initialism of numerically controlled oscillator.

Words near NCO in the dictionary

  1. NCMOs
  2. NCMP
  3. NCND
  4. NCNS
  5. NCNSs
  6. NCO
  7. NCOIC
  8. NCOICs
  9. NCOMP
  10. NCOs
  11. NCP

Source and license

Adapted from Wiktionary: NCO (page history and authors); non-commissioned officer (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “NCO.” Word.ws, https://word.ws/nco. Based on Wiktionary, CC BY-SA 4.0.