4
unfounded(adjective, untruth)
3
cunning(mean, smooth, deception, false, lying)
3
fabricated(untrue, imaginary, untruth, developed, fictitious)
3
factitious(untrue, untruth, developed, fictitious, invented)
3
fairy-tale(adjective, happy, perfect, fantastic, extravagant)
3
fancy
3
insidious(mean, smooth, deception, false, cunning)
3
made-up(adjective, fake, false, counterfeit, fantastic)
3
mistaken(adjective, deceptive)
3
non-existent
3
perverted
3
spooky(supernatural, shadowy, ghastly, ethereal, ghostly)
3
suppositious(adjective, fake, happy, perfect, false)
3
surreal(adjective, strange, fantasy, unreal)
3
unactual(adjective, unreal)
3
unbelievable(adjective, strange, fantastic, fantasy, imaginary)
3
utopian(adjective, ideal, imaginary)
2
abstract(adjective, perfect, fantastic, vague, ideal)
2
assumed(untrue, unreal, theoretical, developed, fictitious)
2
beguiling(false, mad, unreasonable, irrational, 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>