Pronunciation: (ik-stem'pu-rē), [key]
1. on the spur of the moment; without premeditation or preparation; offhand: Questions were asked extempore from the floor.
2. without notes: to speak extempore.
3. (of musical performance) by improvisation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.