99 entries under uncertain topic. ×

6
indecisive(adjective, clear, certain, anxious)
6
insecure(adjective, unreliable, treacherous, incalculable)
6
mysterious(adjective, unusual, strange, doubtful)
6
obscure(adjective, doubtful, vague, dubious)
6
open(adjective, doubtful, unsettled, shaky)
5
ambivalent(adjective, doubtful, vague, hesitant)
5
deniable
5
open to question(expression, adjective, idiom, doubtful)
5
trustless(adjective, dishonest, doubtful, deceitful)
5
unpredictable(adjective, doubtful, vague, hesitant)
4
chancy(adjective, clear, certain, doubtful)
4
inconclusive(adjective, clear, weak, certain)
4
indistinct(doubtful, shaky, vague, hesitant)
4
misleading(adjective, doubtful, faint, vague)
4
unconvinced(adjective, doubtful, unsure)
4
undetermined(adjective, doubtful, vague, hesitant)
4
unsound(adjective, unsettled, dubious, unpredictable)
4
unstable(adjective, open, obscure, unsettled)
3
changeable(adjective, doubtful, vague, hesitant)
3
clouded(adjective, clear, certain, doubtful)
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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>