1
philosophical(abstract, theoretical, academic, hypothetical, theoretic)
1
probationary
1
problematical
1
prophesied(adjective, suppositional)
1
provisional
1
provisionary
1
provisory
1
refutable
1
subject to change
1
supposable
1
surmised(adjective, speculative)
1
surmising(adjective, speculative, predictive)
1
suspected
1
suspicious
1
transcendental(vague, abstract, theoretical, academic, philosophical)
1
unclear(adjective, doubtful, vague, hesitant, changeable)
1
unconfirmed(doubtful, unsettled, vague, questionable, assumed)
1
undecided(doubtful, unsettled, vague, hesitant, indefinite)
1
undetermined(adjective, doubtful, vague, hesitant, unpredictable)
1
unearthly(vague, abstract, theoretical, academic, philosophical)
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APASmart Define. (2015). conjectural thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/conjectural/thesaurus/synonyms
ChicagoSmart Define. 2015. "conjectural thesaurus" https://smartdefine.org/conjectural/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, conjectural thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/conjectural/thesaurus/synonyms>.
MLASmart Define. "conjectural thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/conjectural/thesaurus/synonyms>