Definitions of improbable

  1. 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. Webster Dictionary DB
  2. Unlikely. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  3. Not likely. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.

Usage examples for improbable

  1. " It's quite improbable that their landlady would have bedrooms for us," said Cousin Clare. – The Princess of the School by Angela Brazil
  2. That would seem to make my impression less improbable perhaps. – Over Prairie Trails by Frederick Philip Grove