24 entries under fantastic topic. ×

16
hypothetical(adjective, belief, unreal, apparent)
12
supposed(adjective, belief, unreal, apparent)
10
theoretical(adjective, fake, false, unreal)
9
assumed(adjective, counterfeit, untrue, unreal)
9
fictitious(adjective, fake, false, counterfeit)
5
deceptive(adjective, false, counterfeit, untrue)
5
delusive(adjective, fake, false, counterfeit)
5
imagined(adjective, fake, false, untrue)
5
notional(adjective, fake, false, imaginary)
5
unreal(adjective, fake, false, untrue)
4
apocryphal(untrue, unreal, theoretical, developed)
4
fabulous(fake, false, unreal, untruth)
3
ideal(adjective, fake, false, misleading)
3
invented(fake, false, affected, untrue)
2
chimerical(fake, false, untrue, misleading)
2
dreamlike(fake, false, unreal, fanciful)
2
fictional(false, untrue, misleading, unreal)
2
nonexistent(fake, false, unreal, fabulous)
2
unsubstantial(imaginary, unreal, theoretical, fictitious)
2
visionary(fake, false, unreal, fabulous)
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APASmart Define. (2015). supposititious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/supposititious/thesaurus/synonyms
ChicagoSmart Define. 2015. "supposititious thesaurus" https://smartdefine.org/supposititious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, supposititious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/supposititious/thesaurus/synonyms>.
MLASmart Define. "supposititious thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/supposititious/thesaurus/synonyms>