2
poor prospect(expression, unknown, doubtfulness, underdog, sleeper)
2
rarity(noun, unlikelihood)
2
remote possibility(expression, unknown, doubtfulness, underdog, sleeper)
2
slim chance(expression, unknown, doubtfulness, underdog, sleeper)
1
abnormality
1
absurdity(noun, situation, behavior)
1
also-ran(unknown, doubtfulness, underdog, sleeper, implausibility)
1
anomaly
1
conversation piece
1
creepiness
1
curio
1
curiosity
1
doubt
1
eeriness
1
exception
1
fallibility
1
fighting chance
1
foreboding
1
forecast
1
forecasting
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). improbability thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improbability/thesaurus/synonyms
ChicagoSmart Define. 2015. "improbability thesaurus" https://smartdefine.org/improbability/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, improbability thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improbability/thesaurus/synonyms>.
MLASmart Define. "improbability thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/improbability/thesaurus/synonyms>