90 entries under adjective topic. ×

15
unreal
10
illusory(vague, subtle, ambiguous, shadowy)
9
spectral(obscure, dark, superior, supernatural)
9
imaginary
7
ghostly(obscure, dark, superior, unreasonable)
6
illusive
6
ethereal(extraordinary, unreasonable, inappropriate, absurd)
6
supernatural(obscure, dark, superior, mysterious)
6
wraithlike(supernatural, shadowy, indistinct, ghastly)
5
immaterial
5
phantasmal(supernatural, shadowy, ghastly, ethereal)
5
unearthly(obscure, dark, superior, supernatural)
4
ghostlike(supernatural, shadowy, ghastly, ethereal)
4
impalpable
4
incorporeal
4
shadowy(supernatural, ghastly, ethereal, ghost)
4
spiritual(supernatural, shadowy, ghastly, ethereal)
3
elusive(vague, mysterious, subtle, demoniac)
3
false
3
insubstantial
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APASmart Define. (2015). phantom thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/phantom/thesaurus/synonyms
ChicagoSmart Define. 2015. "phantom thesaurus" https://smartdefine.org/phantom/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, phantom thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/phantom/thesaurus/synonyms>.
MLASmart Define. "phantom thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/phantom/thesaurus/synonyms>