extemporaneous Meaning, Definition & Usage

  1. adjective satellite with little or no preparation or forethought
    extempore; offhand; ad-lib; offhanded; extemporary; unrehearsed; impromptu; off-the-cuff.
    • his ad-lib comments showed poor judgment
    • an extemporaneous piano recital
    • an extemporary lecture
    • an extempore skit
    • an impromptu speech
    • offhand excuses
    • trying to sound offhanded and reassuring
    • an off-the-cuff toast
    • a few unrehearsed comments

WordNet

Ex*tem`po*ra"ne*ous adjective
Etymology
See Extempore.
Definitions
  1. Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; extempore; extemporary; as, an extemporaneous address or production. -- Ex*tem`po*ra"ne*ous*ly, adv. -- Ex*tem`po*ra"ne*ous*ness,n.

Webster 1913