Synonyms|612Antonyms|121|Broader|6Narrower|1Related|974

176 entries under adjective topic. ×

8
thoughtful(thought, thinking, absorbed, pensive)
7
debatable(shaky, vague, imaginary, unlikely)
7
doubtful(uncertain, vague, unclear, interested)
7
experimental(theoretical, exploratory)
7
imaginary(excellent, gentle, marvelous, vague)
7
inquisitive
7
questioning
7
visionary(gentle, wild, marvelous, unreasonable)
6
assumed(uncertain, doubtful, vague, supposition)
6
bad
6
dicey(delicate, uncertain, sensitive, unsettled)
6
dubious(doubtful, vague, unsure)
6
ideal(abstract, romantic, theoretical, creative)
6
idealistic(gentle, wild, absurd, abstract)
6
iffy(delicate, uncertain, sensitive, doubtful)
6
supposititious
6
unproven(theoretical, experiment)
6
unrealistic(wild, unreasonable, rigid, strict)
5
cogitative(thoughtful, thinking, absorbed, pensive)
5
insecure(delicate, uncertain, sensitive, doubtful)
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ChicagoSmart Define. 2015. "speculative thesaurus" https://smartdefine.org/speculative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, speculative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/speculative/thesaurus/synonyms>.
MLASmart Define. "speculative thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/speculative/thesaurus/synonyms>