/ Dictionary / Index N nonobservance: Meaning and Definition of Find definitions for: non•ob•serv•ance Pronunciation: (non"ub-zûr'vuns), [key] — n. absence or lack of observance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonobservance (Thesaurus) nonobjective non obst. Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language