6
romantic(adjective, fake, happy, perfect, false)
6
tenuous(adjective, light, weak, slight, negative)
5
fabulous(adjective, fake, false, fantastic, extravagant)
5
illusional(adjective, strange, fantasy, unreal)
5
impalpable(adjective, fake, false, imaginary, fanciful)
5
nonexistent(adjective, fake, false, real, unreal)
5
phantom(vague, subtle, ambiguous, shadowy, slippery)
5
seeming(adjective, fake, false, surface, fanciful)
5
specious(false, reasoning, lying, surface, possible)
5
supposititious(adjective, fake, false, untrue, unreal)
4
apparitional(adjective, unreal, shadowy, theoretical, ghastly)
4
deceiving(adjective, deception, false, mad, unreasonable)
4
delusional(adjective, strange, fantasy, unreal)
4
dreamy(obscure, happy, negative, vague, unreal)
4
elusive(adjective, mean, smooth, deception, cunning)
4
gossamery
4
groundless(adjective, reason, justification)
4
intangible(adjective, light, weak, slight, fake)
4
make-believe(adjective, fake, false, counterfeit, untrue)
4
off(adjective, false, strange, fantasy, misleading)
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APASmart Define. (2016). illusory thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/illusory/thesaurus/synonyms
ChicagoSmart Define. 2016. "illusory thesaurus" https://smartdefine.org/illusory/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, illusory thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/illusory/thesaurus/synonyms>.
MLASmart Define. "illusory thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/illusory/thesaurus/synonyms>