noun A disembodied soul; a soul or spirit of a deceased person; a spirit appearing after death.
Everyone believed that the ghost of an old lady haunted the crypt.
noun A spirit; a human soul.
noun Any faint shadowy semblance; an unsubstantial image.
not a ghost of a chance
noun A false image, such as in a photographic print or negative, on a television screen, radar display, or telescope, caused by poor or double reception or reflection (from a lens or screen).
noun A faint image that remains after an attempt to remove graffiti.
noun Ellipsis of ghostwriter.
I’ve written both as a ghost for experts and under my name.
noun A nonexistent person invented to obtain some (typically fraudulent) benefit.
noun A dead person whose identity is stolen by another (see ghosting). (Can we verify this sense?)