56 entries under unsure topic. ×

9
indefinite(adjective, obscure, rough, uncertain, doubtful)
9
undecided(noun, adjective, uncertain, doubtful, unsettled)
9
undependable(adjective, uncertain, dishonest, doubtful, deceitful)
8
dubitable(adjective, clear, certain, uncertain, anxious)
7
unclear(adjective, clear, rough, certain, uncertain)
7
unresolved(adjective, uncertain, doubtful, unsettled, vague)
6
indecisive(adjective, clear, certain, uncertain, anxious)
6
open(adjective, uncertain, doubtful, unsettled, shaky)
5
conjectural(adjective, doubtful, vague, hesitant, changeable)
5
trustless(adjective, uncertain, dishonest, doubtful, deceitful)
5
unpredictable(adjective, uncertain, doubtful, vague, hesitant)
4
speculative(doubtful, shaky, vague, imaginary)
4
unconvinced(adjective, uncertain, doubtful)
3
changeable(adjective, uncertain, doubtful, vague, hesitant)
3
risky(adjective, doubtful, vague)
3
tentative(adjective, uncertain, doubtful, vague)
3
unassured(adjective, uncertain, dishonest, doubtful, deceitful)
3
vacillating(adjective, doubtful, vague, hesitant, unpredictable)
2
irresolute(adjective, doubtful, vague, hesitant, changeable)
2
mootable(adjective, certain, uncertain, doubtful, dubious)
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APASmart Define. (2015). questionable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/questionable/thesaurus/synonyms
ChicagoSmart Define. 2015. "questionable thesaurus" https://smartdefine.org/questionable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, questionable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>.
MLASmart Define. "questionable thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/questionable/thesaurus/synonyms>