/ Dictionary / Index N nonoccurrence: Meaning and Definition of Find definitions for: non•oc•cur•rence Pronunciation: (non"u-kûr'uns, -kur'-), [key] — n. absence or lack of occurrence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonoccurrence (Thesaurus) non obstante* no-nonsense Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language