122 entries under uncertain topic. ×

5
spineless(adjective, nervous, unstable, hesitant)
5
trustless(adjective, dishonest, doubtful, deceitful)
5
unsettled(adjective, unstable, irregular, vague)
4
doubtful(adjective, nervous, vague, dubious)
4
iffy(adjective, nervous, doubtful, dubious)
4
insecure(adjective, nervous, unstable, doubtful)
4
undecided(adjective, nervous, doubtful, insecure)
4
wishy-washy(adjective, nervous, unstable, hesitant)
3
flimsy(adjective, feeble, shaky, hesitant)
2
indeterminate(adjective, nervous, doubtful, vague)
2
ineffectual(adjective, nervous, unstable, hesitant)
2
insubstantial(adjective, feeble, shaky, hesitant)
2
rocky(adjective, delicate, awkward, feeble)
2
shady(adjective, dishonest, doubtful, deceitful)
2
unsubstantial(adjective, feeble, shaky, hesitant)
2
wobbly(adjective, nervous, unstable, feeble)
1
betwixt and between(expression, adjective, idiom, nervous)
1
borderline(adjective, nervous, doubtful, shaky)
1
chancy(doubtful, insecure, unsure, risky)
1
debatable(doubtful, unsure)
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APASmart Define. (2016). undependable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undependable/thesaurus/synonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undependable/thesaurus/synonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/undependable/thesaurus/synonyms>