| ghost | |
| 1. n. (dated) The spirit; the soul of man. | |
| 2. n. The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death | |
| Everyone believed that the ghost of an old lady haunted the crypt. | |
| 3. n. Any faint shadowy semblance; an unsubstantial image | |
| not a ghost of a chance; the ghost of an idea | |
| 4. n. A false image formed in a telescope, camera, or other optical device by reflection from the surfaces of one or more lenses. | |
| 5. n. 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. | |
| 6. n. A ghostwriter. | |
| 7. n. (Internet) An unresponsive user on IRC, resulting from the user's client disconnecting without notifying the server. | |
| 8. n. (computing) An image of a file or hard disk. | |
| 9. n. (theatre) An understudy. | |
| 10. n. (espionage) A covert (and deniable) agent. | |
| 11. n. The faint image that remains after an attempt to remove graffiti. | |
| 12. n. (video games) An opponent in a racing game that follows a previously recorded route, allowing players to compete against previous best times. | |
| 13. n. A dead person whose identity is stolen by another. See ghosting. | |
| 14. n. (attributive, in names of species) White or pale. | |
| ghost slug; ghostberry; ghostflower; ghost crab; ghost bat | |
| 15. n. (attributive, in names of species) Transparent or translucent. | |
| ghost ant; ghost catfish; ghost nipper; ghost nudibranch | |
| 16. n. (attributive) Abandoned. | |
| ghost town; ghost net; ghost ramp; ghost ship | |
| 17. n. (attributive) The remains of. | |
| ghost cell; ghost crater; ghost image | |
| 18. n. (attributive) Perceived or listed but not real. | |
| ghost pain; ghost cellphone vibration; ghost island; ghost voter | |
| 19. n. (attributive) Of cryptid, supernatural or extraterrestrial nature. | |
| ghost rocket; ghost deer; ghost cat | |
| 20. n. (attributive) Substitute. | |
| ghost writer; ghost band; ghost singer | |
| 21. v. (obsolete, transitive) To haunt; to appear to in the form of an apparition. | |
| 22. v. (obsolete) To die; to expire. | |
| 23. v. To ghostwrite. | |
| 24. v. (nautical) To sail seemingly without wind. | |
| 25. v. (computing) To copy a file or hard drive image. | |
| 26. v. (GUI) To gray out (a visual item) to indicate that it is unavailable. | |
| 27. v. (internet, transitive) To forcibly disconnect an IRC user who is using one's reserved nickname. | |
| 28. v. To appear without warning; to move quickly and quietly; to slip. | |
| 29. v. To kill. | |
| 30. v. (slang) To break up with someone without warning or explanation; to perform an act of ghosting. | |
