Definition of "extemporaneous" [ex•tem•po•ra•ne•ous]

• Carried out or performed with little or no preparation; impromptu: an extemporaneous piano recital. (adjective)
• Prepared in advance but delivered without notes or text: an extemporaneous speech. (adjective)
• Skilled at or given to unrehearsed speech or performance: an accomplished extemporaneous speaker. (adjective)
• Provided, made, or adapted as an expedient; makeshift: an extemporaneous policy decision. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "His former style is what we call extemporaneous, but we do not wish to convey the idea that he spoke without preparation."
• "Finding that in extemporaneous speech she could only speak at one time of a few points, she determined to write out the most important part of what she wished to say."
• "Pigeons are still more useful in extemporaneous cooking than fowls, as, being smaller, they are sooner cooked."