'Improbableness' definitions:
Definition of 'improbableness'
From: WordNet
noun
The quality of being improbable; "impossibility should never be confused with improbability"; "the improbability of such rare coincidences" [syn: improbability, improbableness] [ant: probability]
Definition of 'Improbableness'
From: GCIDE
- Improbable \Im*prob"a*ble\, a. [L. improbabilis; pref. im- not + probabilis probable: cf. F. improbable. See Probable.] Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable story or event. [1913 Webster]
- He . . . sent to Elutherius, then bishop of Rome, an improbable letter, as some of the contents discover. --Milton. -- {Im*prob"a*ble*ness}, n. -- {Im*prob"a*bly}, adv. [1913 Webster]