Found 2 items, similar to improbability.
English → English (WordNet) Definition: improbability improbability n : the quality of being improbable [syn: improbableness] [ant: probability]
English → English (gcide) Definition: Improbability Improbability \Im*prob`a*bil"i*ty\, n.; pl. Improbabilities. [Cf. F. improbabilit['e].] The quality or state of being improbable; unlikelihood; also, that which is improbable; an improbable event or result. [1913 Webster]