verb (used without object), ex·tem·po·rized, ex·tem·po·riz·ing.
verb (used with object), ex·tem·po·rized, ex·tem·po·riz·ing.
Origin of extemporize
Examples from the Web for extemporise
Historical Examples of extemporise
There was no bed from which to take the sheets and blankets to extemporise a rope.Charlie to the Rescue
As I crossed the floor I tried to extemporise a prayer, but stopped short to listen, and never finished it.J. S. Le Fanu's Ghostly Tales, Volume 1
Joseph Sheridan Le Fanu
Lots of your fellow-passengers will have to camp out under any shelter they can extemporise.Nevermore
But national spirit could not extemporise a fleet or produce trained officers and sailors to match the conquerors of Lepanto.English Seamen in the Sixteenth Century
James Anthony Froude
More than this, in one corner still lay some of the wraps which he had evidently used to extemporise a bed.The Cock-House at Fellsgarth
Talbot Baines Reed