The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death Example: Everyone believed that the ghost of an old lady haunted the crypt.
Any faint shadowy semblance; an unsubstantial image Example: not a ghost of a chance; the ghost of an idea
A false image formed in a telescope, camera, or other optical device by reflection from the surfaces of one or more lenses.
An unwanted image similar to and overlapping or adjacent to the main one on a television screen, caused by the transmitted image being received both directly and via reflection.
A ghostwriter.
An unresponsive user on IRC, resulting from the user's client disconnecting without notifying the server.
An image of a file or hard disk.
An understudy.
A covert (and deniable) agent.
The faint image that remains after an attempt to remove graffiti.
An opponent in a racing game that follows a previously recorded route, allowing players to compete against previous best times.
A dead person whose identity is stolen by another. See ghosting.
(in names of species) White or pale. Example: ghost slug; ghostberry; ghostflower; ghost crab; ghost bat
(in names of species) Transparent or translucent. Example: ghost ant; ghost catfish; ghost nipper; ghost nudibranch