/ Dictionary / Index N nonuser: Meaning and Definition of Find definitions for: non•us•er Pronunciation: (non-y'zur), [key] — n. a person who does not use or partake of something, as drugs or alcoholic beverages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonuple nonviable Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language