56 entries under vague topic. ×

21
theoretical(adjective, abstract, imaginary, supposition)
20
speculative(adjective, unsettled, supposition, theoretical)
18
suppositional(adjective, belief, apparent, supposition)
13
supposed(adjective, belief, apparent, theoretical)
12
suppositious(adjective, belief, apparent, supposition)
10
assumed(adjective, imaginary, supposition, theoretical)
10
doubtful(adjective, unsure, imaginary, theoretical)
9
putative(adjective, imaginary, supposition, theoretical)
8
uncertain(adjective, doubtful, changeable, theoretical)
5
dubious(adjective, doubtful, unsure)
5
questionable(adjective, doubtful, hesitant, changeable)
5
tentative(adjective, doubtful, unsettled, academic)
4
imaginary(adjective, theoretical, assumed, academic)
4
unresolved(adjective, doubtful, hesitant, unpredictable)
3
in doubt(expression, adjective, doubtful, unsure)
3
unpredictable(adjective, doubtful, hesitant, changeable)
3
unreliable(doubtful, unsure)
2
iffy(doubtful, unsettled, unsure, indefinite)
2
indefinite(adjective, doubtful, unsettled, questionable)
2
indeterminate(adjective, doubtful, hesitant, changeable)
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APASmart Define. (2015). conjectural thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/conjectural/thesaurus/synonyms
ChicagoSmart Define. 2015. "conjectural thesaurus" https://smartdefine.org/conjectural/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, conjectural thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/conjectural/thesaurus/synonyms>.
MLASmart Define. "conjectural thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/conjectural/thesaurus/synonyms>