Definition of "extempore" [ex•tem•po•re]

• Spoken, carried out, or composed with little or no preparation or forethought. See Synonyms at extemporaneous. (adjective)
• In an extemporaneous manner. (adverb)

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.

• "Don Juan _Don Juan_ or _hooan_ drought _drowt_ drouth _drowth_ extempore _extempore_ (four syllables) familiarity _familyarity_ gaol _jal_ genealogy _-alogy_, not _-ology_ gemus _genyus_"
• "Then quoth he, “This is a strange manner of daily bread;” and he began re citing in extempore verse: —"
• "It was irksome to realize that I could not connect my laptop to the projector, thus making useless the multi-page powerpoint I developed for my portion, but then again, talking extempore is never a problem for me."