/ Dictionary / Index N NOP: Meaning and Definition of Find definitions for: NOP Pronunciation: [key] not our publication. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nootka fir nopal Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language