D defs.my
Entry 1 sense Webster, 1913

Extemporaneous

· Ex·tem·po·ra·ne·ous · IPA /ɛksˌtɛm.pɜː(ɹ)ˈeɪn.i.əs/
01 a. Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; ad-lib; extempore; extempor…
  1. 1.
    Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; ad-lib; extempore; extemporary; as, an extemporaneous address or production.