75 entries under vague topic. ×

5
conjectural(adjective, doubtful, hesitant, changeable)
5
unpredictable(adjective, uncertain, doubtful, hesitant)
4
inconclusive(adjective, clear, weak, certain, uncertain)
4
indistinct(uncertain, doubtful, shaky, hesitant)
4
misleading(adjective, uncertain, doubtful, faint)
4
speculative(doubtful, shaky, unsure, imaginary)
4
undetermined(adjective, uncertain, doubtful, hesitant)
3
changeable(adjective, uncertain, doubtful, hesitant)
3
clouded(adjective, clear, certain, uncertain, doubtful)
3
cryptic(adjective, uncertain, doubtful, dubious)
3
enigmatic(adjective, uncertain, doubtful, dubious)
3
puzzling(unusual, strange, uncertain, unclear)
3
risky(adjective, doubtful, unsure)
3
tentative(adjective, uncertain, doubtful, unsure)
3
vacillating(adjective, doubtful, hesitant, unpredictable)
2
contingent(adjective, uncertain, doubtful, shaky)
2
hazy(uncertain, doubtful, shaky, hesitant)
2
imprecise(adjective, rough, unclear, ambiguous)
2
inaccurate(adjective, rough, unpredictable, fickle)
2
inexact(adjective, rough, sketchy, woolly)
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APASmart Define. (2015). questionable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/questionable/thesaurus/synonyms
ChicagoSmart Define. 2015. "questionable thesaurus" https://smartdefine.org/questionable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, questionable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>.
MLASmart Define. "questionable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/questionable/thesaurus/synonyms>