5
ghost(noun, shade, spook, spectre, specter)
4
Flying Dutchman
4
open-mindedness
4
shade
4
spook
3
UFO
3
flying saucer
3
specter
3
spectre
3
unidentified flying object
3
wraith
1
vision
10 years ago|124 views|share |citing 
APASmart Define. (2016). apparition thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/apparition/thesaurus/narrower
ChicagoSmart Define. 2016. "apparition thesaurus" https://smartdefine.org/apparition/thesaurus/narrower (accessed September 22, 2026).
HarvardSmart Define 2016, apparition thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/apparition/thesaurus/narrower>.
MLASmart Define. "apparition thesaurus" 3 March 2016. Web. 22 September 2026. <https://smartdefine.org/apparition/thesaurus/narrower>