4
problematic(adjective, assumed, guessed)
4
transcendental(adjective, great, superior, real, intellectual)
3
apocryphal
3
conjectured(adjective, expected, supposed, presumed)
3
disputable(verb, adjective, supposed, assumed, guessed)
3
experimental(adjective, uncertainty)
3
fantastic(adjective, excellent, obscure, extraordinary, superior)
3
fictitious(adjective, fantastic, intellectual, abstract, unreal)
3
groundless
3
hypothesized(adjective, expected, supposed, presumed)
3
indeterminate(verb, adjective, supposed, assumed, guessed)
3
inferential(adjective, belief)
3
intangible(adjective, intellectual, abstract, indefinite, insubstantial)
3
made-up(fantastic, unreal, theoretical, fictitious, invented)
3
surmised(adjective, uncertain, doubtful, expected, supposed)
3
suspected
3
synthetic
3
unpractical(adjective, theoretical)
3
vague(verb, adjective, supposed, assumed, guessed)
2
abstruse(intellectual, abstract, insubstantial, theoretical, imperceptible)
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APASmart Define. (2015). hypothetical thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hypothetical/thesaurus/synonyms
ChicagoSmart Define. 2015. "hypothetical thesaurus" https://smartdefine.org/hypothetical/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, hypothetical thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hypothetical/thesaurus/synonyms>.
MLASmart Define. "hypothetical thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/hypothetical/thesaurus/synonyms>