/ Dictionary / Index N nonsmoking: Meaning and Definition of Find definitions for: non•smok•ing Pronunciation: (non-smō'king), [key] — adj. having restrictions against the smoking of tobacco: a nonsmoking section of an airplane. not using cigarettes, cigars, or other smoking materials: nonsmoking persons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nonsmoker nonsolvent Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language