28 entries under speculative topic. ×

21
hypothetical(adjective, belief, abstract, imaginary, apparent)
21
theoretical(adjective, vague, abstract, imaginary, supposition)
18
suppositional(adjective, belief, vague, apparent, supposition)
13
supposed(adjective, belief, vague, apparent, theoretical)
12
suppositious(adjective, belief, vague, apparent, supposition)
10
academic(adjective, philosophy, supposition)
10
assumed(adjective, vague, imaginary, supposition, theoretical)
10
doubtful(adjective, vague, unsure, imaginary, theoretical)
9
putative(adjective, vague, imaginary, supposition, theoretical)
9
suppositive(adjective, belief, apparent, supposition, supposed)
8
uncertain(adjective, doubtful, vague, changeable, theoretical)
7
abstract(adjective, theoretical, academic, philosophical)
5
reputed(adjective, theoretical, supposed, hypothetical)
5
suspect(verb, adjective)
5
tentative(adjective, doubtful, unsettled, vague, academic)
4
unresolved(adjective, doubtful, vague, hesitant, unpredictable)
2
guesstimated(adjective, predictive)
2
iffy(doubtful, unsettled, vague, unsure, indefinite)
2
unsettled(adjective, doubtful, vague, unsure, indefinite)
1
figured
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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>