noun the spirit; the soul of man.
2. ghost ·vi to die; to expire.
3. ghost ·vt to appear to or haunt in the form of an apparition.
4. ghost ·noun a false image formed in a telescope by reflection from the surfaces of one or more lenses.
5. ghost ·noun the disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death; an apparition; a specter.
6. ghost ·noun any faint shadowy semblance; an unsubstantial image; a phantom; a glimmering; as, not a ghost of a chance; the ghost of an idea.