176 entries under adjective topic. ×

5
intellectual(thoughtful, abstract, theoretical, reflective)
5
philosophical(thought, thoughtful, vague, supernatural)
5
pure(vague, abstract, logical, theoretical)
5
theoretic(theoretical, thoughts)
5
unpractical(unreasonable, unviable)
5
unproved(new, trial, theoretical, untried)
5
untested
4
analytical
4
conceptual
4
deliberative(thought, thoughts)
4
dreamy(gentle, marvelous, thoughtful, vague)
4
fantastic(excellent, gentle, marvelous, vague)
4
groundless
4
idealized
4
putative(uncertain, doubtful, vague, supposition)
4
suppositious(uncertain, doubtful, vague, supposition)
4
suppositive(uncertain, doubtful, supposition)
4
thinking(thought, thoughtful, absorbed, pensive)
4
unsound(delicate, uncertain, sensitive, risky)
4
wondering
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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>