/ Dictionary / Index N nonappearance: Meaning and Definition of Find definitions for: non•ap•pear•ance Pronunciation: (non"u-pēr'uns), [key] — n. failure to appear, as in a court. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonappearance (Thesaurus) non-A, non-B hepatitis non-art 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