9
arguable(noun, adjective, uncertain, doubtful, unsettled)
9
changeable(adjective, uncertain, doubtful, vague, hesitant)
9
disputable(noun, adjective, uncertain, doubtful, dubious)
9
problematic(adjective, uncertain, nervous, doubtful, unsettled)
9
questionable(noun, adjective, uncertain, doubtful, unsettled)
8
capricious(adjective, irresolute)
8
hesitating(adjective, weak, uncertain, doubtful, unsettled)
8
on the fence(expression, adjective, idiom, open, indifferent)
8
unclear(adjective, open, uncertain, definite, doubtful)
8
wishy-washy(adjective, open, weak, uncertain, definite)
7
controversial(noun, adjective, uncertain, doubtful, unsettled)
7
fickle(adjective, weak, uncertain, doubtful, hesitant)
7
precarious(adjective, uncertain, doubtful, vague, unsure)
7
uncommitted(adjective, open, indifferent, uncertain, detached)
7
vacillant(hesitant, wavering, indecisive)
6
borderline(adjective, open, uncertain, definite, doubtful)
6
equivocal(adjective, open, uncertain, definite, doubtful)
6
erratic(adjective, doubtful, vague, hesitant, dubious)
6
inconstant(adjective, doubtful, vague, hesitant, unsure)
6
indeterminate(adjective, uncertain, doubtful, unsettled, vague)
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APASmart Define. (2015). undecided thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undecided/thesaurus/synonyms
ChicagoSmart Define. 2015. "undecided thesaurus" https://smartdefine.org/undecided/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undecided thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undecided/thesaurus/synonyms>.
MLASmart Define. "undecided thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undecided/thesaurus/synonyms>