/ Dictionary / Index N noncommissioned officer: Meaning and Definition of Find definitions for: non'commis'sioned of'ficer Pronunciation: [key] — Mil. Mil. an enlisted person, as a sergeant or corporal, holding any of various ranks below commissioned or warrant officers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. noncommissioned noncommittal Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language