60 entries under doubtful topic. ×

4
undecided(adjective, uncertain, nervous, insecure)
2
indeterminate(adjective, uncertain, nervous, vague)
2
shady(adjective, uncertain, dishonest, deceitful)
2
wobbly(adjective, uncertain, nervous, unstable, feeble)
1
betwixt and between(expression, adjective, idiom, uncertain, nervous)
1
borderline(adjective, uncertain, nervous, shaky)
1
chancy(uncertain, insecure, unsure, risky)
1
debatable(uncertain, unsure)
1
diffident(uncertain, nervous, insecure, unsure)
1
distrustful(adjective, uncertain, nervous, shaky)
1
dubitable(uncertain, unsure)
1
equivocal(adjective, uncertain, vague, hesitant)
1
far-fetched(uncertain, unsure)
1
fishy(uncertain, unsure)
1
fluctuant(adjective, uncertain, nervous, unstable)
1
improbable(uncertain, unsure)
1
in a quandary(expression, adjective, idiom, uncertain, nervous)
1
lacking(adjective, uncertain, nervous, shaky)
1
mistrustful(adjective, uncertain, nervous, shaky)
1
open(adjective, uncertain, nervous, hesitant)
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APASmart Define. (2016). undependable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undependable/thesaurus/synonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undependable/thesaurus/synonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/undependable/thesaurus/synonyms>