'Extemporal' definitions:

Definition of 'Extemporal'

From: GCIDE
  • Extemporal \Ex*tem"po*ral\, a. [L. extemporalis, from ex tempore.] Extemporaneous; unpremeditated. [Obs.] --B. Jonson. -- {Ex*tem"po*ral*ly}, adv. [Obs.] [1913 Webster]