Disappear \Dis`ap*pear"\, v. i. [imp. & p. p. {Disappeared}; p. pr. & vb. n. {Disappearing}.] 1. To cease to appear or to be perceived; to pass from view, gradually or suddenly; to vanish; to be no longer seen; as, darkness disappears at the approach of light; a ship disappears as she sails from port. 2. To cease to be or exist; as, the epidemic has disappeared.