5
presumed(adjective, apparent, theoretical, supposed, hypothetical)
5
queer(adjective, counterfeit, untrue, developed, fictitious)
5
reputed(adjective, theoretical, supposed, hypothetical, alleged)
5
so-called(adjective, deception)
5
unreal(adjective, fake, false, fantastic, untrue)
4
apocryphal(fantastic, untrue, unreal, theoretical, developed)
4
apparent(adjective, false, misleading, deceptive, supposed)
4
artificial(fake, false, mock, affected, extra)
4
delusory(adjective, false, counterfeit, untrue, misleading)
4
dummy(extra, auxiliary, supernumerary)
4
ersatz(adjective, informal, counterfeit, extra, untrue)
4
fabulous(fake, false, fantastic, unreal, untruth)
4
make-believe(deception, untrue, unreal, fabulous, developed)
4
pinchbeck
4
presumptive(adjective, belief, supposition, supposed)
4
snide(adjective, deception, counterfeit)
4
soi-disant(adjective, untruth)
4
untrue(deception, false, misleading, fabulous, untruth)
3
colorable
3
fabricated(untrue, fabulous, untruth, developed, fictitious)
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APASmart Define. (2015). supposititious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/supposititious/thesaurus/synonyms
ChicagoSmart Define. 2015. "supposititious thesaurus" https://smartdefine.org/supposititious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, supposititious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/supposititious/thesaurus/synonyms>.
MLASmart Define. "supposititious thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/supposititious/thesaurus/synonyms>