28 entries under doubtfulness topic. ×

1
unexpected winner(expression, unknown, underdog, sleeper)
1
unknown(underdog, sleeper, also-ran, implausibility)
1
unknown quantity(expression, unknown, underdog, sleeper)
1
unlikely winner(expression, unknown, underdog, sleeper)
1
upsetter(unknown, underdog, sleeper, also-ran)
0
dubiousness(noun, unreliability, implausibility, unlikelihood)
0
incongruousness
0
questionability(noun, implausibility, unlikelihood)
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APASmart Define. (2015). improbability thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/improbability/thesaurus/synonyms
ChicagoSmart Define. 2015. "improbability thesaurus" https://smartdefine.org/improbability/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, improbability thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/improbability/thesaurus/synonyms>.
MLASmart Define. "improbability thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/improbability/thesaurus/synonyms>