94 entries under vague topic. ×

20
conjectural(adjective, unsettled, supposition, theoretical)
19
theoretical(adjective, wild, uncertain, unreasonable, useless)
15
suppositional(adjective, uncertain, doubtful, imaginary)
14
academic(adjective, philosophy, uncertain, doubtful)
13
uncertain(adjective, delicate, sensitive, doubtful, unsettled)
9
chancy(adjective, delicate, uncertain, sensitive, doubtful)
9
impractical(adjective, gentle, marvelous, romantic)
9
tentative(adjective, new, uncertain, doubtful, unsettled)
8
supposed(adjective, uncertain, doubtful, imaginary)
7
debatable(adjective, shaky, imaginary, unlikely)
7
doubtful(adjective, uncertain, unclear, interested)
7
imaginary(adjective, excellent, gentle, marvelous)
6
assumed(adjective, uncertain, doubtful, supposition)
6
dubious(adjective, doubtful, unsure)
6
iffy(adjective, delicate, uncertain, sensitive, doubtful)
5
insecure(adjective, delicate, uncertain, sensitive, doubtful)
5
philosophical(adjective, thought, thoughtful, supernatural)
5
pure(adjective, abstract, logical, theoretical)
5
unreliable(doubtful, unsure, risky, hazardous)
4
dreamy(adjective, gentle, marvelous, thoughtful)
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APASmart Define. (2015). speculative thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/speculative/thesaurus/synonyms
ChicagoSmart Define. 2015. "speculative thesaurus" https://smartdefine.org/speculative/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, speculative thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/speculative/thesaurus/synonyms>.
MLASmart Define. "speculative thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/speculative/thesaurus/synonyms>