122 entries under uncertain topic. ×

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arguable(doubtful, unsure)
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cowardly(adjective, nervous, unstable, hesitant)
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debilitated(adjective, feeble, shaky, hesitant)
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decrepit(adjective, feeble, shaky, hesitant)
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disputable(doubtful, unsure)
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effete(adjective, feeble, shaky, hesitant)
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enervated(adjective, feeble, shaky, hesitant)
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exhausted(adjective, feeble, shaky, hesitant)
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faint(adjective, feeble, shaky, hesitant)
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faint-hearted(adjective, nervous, unstable, hesitant)
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feeble(adjective, shaky, hesitant, sluggish)
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fragile(adjective, feeble, shaky, hesitant)
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frail(adjective, feeble, shaky, hesitant)
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frightened(adjective, nervous, unstable, hesitant)
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impotent(adjective, nervous, unstable, hesitant)
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in doubt(expression, doubtful, unsure)
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lackadaisical(adjective, feeble, shaky, hesitant)
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laid back(expression, unstable, hesitant)
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languid(adjective, feeble, shaky, hesitant)
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languorous(adjective, feeble, shaky, 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>