Synonyms|273Antonyms|87|Broader|4Narrower|0Related|516
5
questionable(adjective, doubtful, vague, hesitant, changeable)
5
reputed(adjective, theoretical, supposed, speculative, hypothetical)
5
suspect(verb, adjective, speculative)
5
tentative(adjective, doubtful, unsettled, vague, academic)
4
alleged(adjective, apparent, theoretical, supposed, hypothetical)
4
disputable
4
ideal(adjective, abstract, theoretical, academic, philosophical)
4
imaginary(adjective, vague, theoretical, assumed, academic)
4
presumed(adjective, apparent, theoretical, supposed, academic)
4
unresolved(adjective, doubtful, vague, hesitant, unpredictable)
3
experimental
3
impractical
3
in doubt(expression, adjective, doubtful, vague, unsure)
3
problematic
3
theoretic(adjective, theoretical)
3
unpredictable(adjective, doubtful, vague, hesitant, changeable)
3
unreliable(doubtful, vague, unsure)
2
circumstantial(adjective, incidental)
2
fantastic(adjective, suppositional)
2
guesstimated(adjective, speculative, predictive)
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ChicagoSmart Define. 2015. "conjectural thesaurus" https://smartdefine.org/conjectural/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, conjectural thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/conjectural/thesaurus/synonyms>.
MLASmart Define. "conjectural thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/conjectural/thesaurus/synonyms>