EXTEMPORANEOUS

Ex‐tem′po‐ra″ne‐ous (?), a. [[See Extempore.]] 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.