81 entries under doubtful topic. ×

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changeable(vague, unsure)
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conjectural(vague, unsure)
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erratic(vague, insecure, unsure, risky)
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fitful(vague, unsure)
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in doubt(expression, shaky, vague, unsure)
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incalculable(vague, unsure)
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inconstant(vague, unsure)
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irregular(vague, unsure)
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irresolute(nervous, vague, insecure, unsure)
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off deep end(expression, delicate, uncertain, unsound)
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tentative(vague, unsure)
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unapt
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undetermined(vague, unsure)
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unfixed(vague, unsure)
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unforeseeable(vague, unsure)
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unpredictable(vague, unsure)
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unresolved(vague, unsure)
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vacillating(nervous, vague, insecure, unsure)
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variable(vague, unsure)
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wavering(nervous, vague, insecure, unsure)
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APASmart Define. (2015). on thin ice thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_thin_ice/thesaurus/synonyms
ChicagoSmart Define. 2015. "on thin ice thesaurus" https://smartdefine.org/on_thin_ice/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, on thin ice thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_thin_ice/thesaurus/synonyms>.
MLASmart Define. "on thin ice thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_thin_ice/thesaurus/synonyms>