'Unlikeliness' definitions:

Definition of 'unlikeliness'

From: WordNet
noun
The improbability of a specified outcome [syn: unlikelihood, unlikeliness] [ant: likelihood, likeliness]

Definition of 'Unlikeliness'

From: GCIDE
  • Unlikeliness \Un*like"li*ness\, n. The quality or state of being unlikely. [1913 Webster]