40 entries under shaky topic. ×

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fat chance(expression, unlikely, unpromising)
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hazardous(unlikely, unpromising)
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hazy(unlikely, unpromising)
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impugnable(unlikely, unpromising)
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in doubt(expression, uncertain, doubtful, unsure)
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indefinite(unlikely, unpromising)
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indeterminate(unlikely, unpromising)
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indistinct(unlikely, unpromising)
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insecure(unlikely, unpromising)
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long shot(expression, unlikely, unpromising)
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on thin ice(expression, idiom, unlikely, unpromising)
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pending(unlikely, unpromising)
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precarious(unlikely, unpromising)
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sneaky(unlikely, unpromising)
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touch-and-go(unlikely, unpromising)
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touchy(unlikely, unpromising)
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unconfirmed(unlikely, unpromising)
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uneasy(unlikely, unpromising)
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unstable(unlikely, unpromising)
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up for grabs(expression, idiom, unlikely, unpromising)
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APASmart Define. (2015). improbable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/improbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "improbable thesaurus" https://smartdefine.org/improbable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, improbable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/improbable/thesaurus/synonyms>.
MLASmart Define. "improbable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/improbable/thesaurus/synonyms>