42 entries under unlikely topic. ×

1
far-fetched(uncertain, shaky, unclear, questionable)
1
fat chance(expression, uncertain, shaky, unclear)
1
hazardous(uncertain, shaky, unclear, questionable)
1
hazy(uncertain, shaky, unclear, questionable)
1
impugnable(uncertain, doubtful, shaky, unclear, risky)
1
inconclusive(uncertain, doubtful, shaky, unclear)
1
indefinite(uncertain, shaky, unclear, questionable)
1
indeterminate(uncertain, doubtful, shaky, unclear)
1
indistinct(uncertain, shaky, unclear, questionable)
1
long shot(uncertain, doubtful, shaky, unclear, risky)
1
obscure(uncertain, shaky, unclear, questionable)
1
on thin ice(uncertain, doubtful, shaky, unclear, risky)
1
pending(uncertain, shaky, unclear, questionable)
1
precarious(uncertain, shaky, unclear, questionable)
1
sneaky(uncertain, shaky, unclear, questionable)
1
touch-and-go(uncertain, shaky, unclear, questionable)
1
touchy(shaky, unpromising)
1
unclear(adjective, uncertain, unstable, doubtful, unsettled)
1
unconfirmed(uncertain, doubtful, shaky, unclear, risky)
1
unstable(uncertain, shaky, unclear, questionable)
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APASmart Define. (2015). doubtable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/doubtable/thesaurus/synonyms
ChicagoSmart Define. 2015. "doubtable thesaurus" https://smartdefine.org/doubtable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, doubtable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/doubtable/thesaurus/synonyms>.
MLASmart Define. "doubtable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/doubtable/thesaurus/synonyms>