68 entries under undecided topic. ×

11
undependable(adjective, uncertain, nervous, unstable, dishonest)
11
chancy(noun, adjective, clear, delicate, certain)
11
unclear(adjective, clear, open, rough, certain)
10
fly-by-night(adjective, uncertain, nervous, dishonest, doubtful)
10
skeptical(adjective, certain, doubt, uncertain, nervous)
10
tentative(adjective, open, weak, uncertain, shy)
10
untrustworthy(adjective, uncertain, nervous, dishonest, doubtful)
9
equivocal(adjective, clear, open, rough, delicate)
9
changeable(adjective, loose, uncertain, doubtful, vague)
9
distrustful(adjective, uncertain, nervous, doubtful, unsettled)
9
indeterminate(adjective, clear, rough, certain, uncertain)
9
open(adjective, certain, uncertain, nervous, unstable)
9
unpredictable(noun, adjective, loose, uncertain, shy)
8
ambiguous(adjective, clear, open, rough, delicate)
8
erratic(adjective, loose, doubtful, vague, hesitant)
8
hesitating(adjective, weak, uncertain, shy, doubtful)
8
risky(noun, adjective, delicate, uncertain, unstable)
8
trustless(adjective, uncertain, dishonest, doubtful, deceitful)
7
doubting(adjective, weak, uncertain, shy, doubtful)
7
undetermined(adjective, open, weak, rough, certain)
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APASmart Define. (2016). unsure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsure/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsure thesaurus" https://smartdefine.org/unsure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unsure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsure/thesaurus/synonyms>.
MLASmart Define. "unsure thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unsure/thesaurus/synonyms>