• WordNet 3.6
    • v extemporize perform without preparation "he extemporized a speech at the wedding"
    • v extemporize manage in a makeshift way; do with whatever is at hand "after the hurricane destroyed our house, we had to improvise for weeks"
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Webster's Revised Unabridged Dictionary
    • v. t Extemporize To do, make, or utter extempore or off-hand; to prepare in great haste, under urgent necessity, or with scanty or unsuitable materials; as, to extemporize a dinner, a costume, etc. "Themistocles . . . was of all men the best able to extemporize the right thing to be done.""Pitt, of whom it was said that he could extemporize a Queen's speech"
    • v. i Extemporize To speak extempore; especially, to discourse without special preparation; to make an offhand address.
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Century Dictionary and Cyclopedia
    • extemporize To make or provide for a sudden and unexpected occasion; prepare in haste with the means within one's reach: as, to extemporize a speech or a dinner; to extemporize a couch or a shelter.
    • extemporize Specifically To compose without premeditation on a special occasion: as, he extemporized a brilliant accompaniment.
    • extemporize To speak extempore; speak without previous study or preparation; discourse without notes or written draft.
    • extemporize To sing, or play on an instrument, composing the music as it proceeds; improvise. See improvise.
    • extemporize Also spelled extemporise.
    • ***


In literature:

It was extempore and had caught him unawares.
"Bunker Bean" by Harry Leon Wilson
They have no set songs; all their singing is extempore.
"Narrative of a Mission to Central Africa Performed in the Years 1850-51, Volume 2" by James Richardson
He told me, too, that after preaching written sermons, he resolved to try an extempore one.
"Hugh" by Arthur Christopher Benson
To his great joy the extemporized "plug" held.
"The Border Boys Across the Frontier" by Fremont B. Deering
In political life it was his special glory to extemporize statesmanship without sacrificing pleasure.
"Alexander Pope" by Leslie Stephen
In Mrs John Mills's life of her husband is an account of John Bright's first extempore speech.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
Bright has often spoken extempore with great effect, when circumstances demanded it.
"Captains of Industry" by James Parton
These may be used for dumplings, or as a sudden extempore, but do not let them be habitual.
"The Atlantic Monthly, Volume 16, No. 97, November, 1865" by Various
They generally take for their subject some popular event of a comic nature, and all is carried on extempore.
"Béarn and the Pyrenees" by Louisa Stuart Costello
In order to distract the attention of the guard, a dancing party with music was extemporized in the same room.
"The Citizen-Soldier" by John Beatty

In poetry:

Then Joan brought the tea-pot, and Caleb the toast,
And the wine was frothed out by the hand of mine host;
But we clear'd our extempore banquet so fast,
That the Harrisons both were forgot in the haste.
Derry down, down, hey derry down.
"Down-Hall. A Ballad." by Matthew Prior