/ Dictionary / Index D disappear: Meaning and Definition of Find definitions for: dis•ap•pear Pronunciation: (dis"u-pēr'), [key] — v.i. to cease to be seen; vanish from sight. to cease to exist or be known; pass away; end gradually: One by one the symptoms disappeared. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disappear (Thesaurus) disannul disappearance Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language