1
unknown(noun, doubtfulness, underdog, sleeper, improbability)
1
unknown quantity(noun, expression, unknown, underdog, sleeper)
1
unlikely winner(noun, expression, unknown, underdog, sleeper)
1
upsetter(noun, unknown, doubtfulness, underdog, sleeper)
0
sleeper(noun, unknown, doubtfulness, underdog, improbability)
0
bad chance(expression, idiom, improbability)
0
bare
0
contrariety(noun, hopelessness, futility, impracticality, unfeasibility)
0
creepiness
0
difficulty(noun, hopelessness, futility, impracticality, unfeasibility)
0
failure(noun, hopelessness, futility, impracticality, unfeasibility)
0
futility(noun, hopelessness, impracticality, unfeasibility)
0
hopelessness(noun, futility, impracticality, unfeasibility)
0
impossible
0
impracticability(noun, hopelessness, futility, impracticality, unfeasibility)
0
impracticality(noun, hopelessness, futility, unfeasibility)
0
improbabilities
0
improbable
0
inconceivable
0
inconceivableness
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APASmart Define. (2015). unlikelihood thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unlikelihood/thesaurus/synonyms
ChicagoSmart Define. 2015. "unlikelihood thesaurus" https://smartdefine.org/unlikelihood/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unlikelihood thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unlikelihood/thesaurus/synonyms>.
MLASmart Define. "unlikelihood thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unlikelihood/thesaurus/synonyms>