·adj Causing needless fright.
II. Bugbear ·vt To alarm with idle phantoms.
III. Bugbear ·noun ·same·as Bugaboo.
IV. Bugbear ·noun Something frightful, as a specter; anything imaginary that causes needless fright; something used to excite needless fear; also, something really dangerous, used to frighten children, ·etc.