improbability Meaning, Definition & Usage

  1. noun the quality of being improbable
    improbableness.
    • impossibility should never be confused with improbability
    • the improbability of such rare coincidences

WordNet

Im*prob`a*bil"i*ty noun
Etymology
Cf. F. improbabilité.
Wordforms
plural Improbabilities
Definitions
  1. The quality or state of being improbable; unlikelihood; also, that which is improbable; an improbable event or result.

Webster 1913