extemporaneously

American  

[ik-stem-puh-rey-nee-uhs-lee] / ɪkˌstɛm pəˈreɪ ni əs li /

adverb

1. with little or no advance preparation.

   The preacher’s Sunday sermons were delivered extemporaneously, with seldom more than a one page outline before him.

   Those of you who have attended an improvisation workshop have experience speaking extemporaneously, or off the cuff.

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Etymology

Origin of extemporaneously

extemporaneous ( def. ) + -ly

Example Sentences

“Very Delta” is Delta Work’s weekly YouTube talk show where she “looks gorgeous, speaks extemporaneously, and invites fascinating guests to sit on her couch” and chat about things that are “Very Delta.”

From Los Angeles Times

She spoke extemporaneously and at length, in one interview after another, about a tremendously fraught political issue that had long felt personal to Black Americans but was nonetheless novel — if not threatening — to mainstream America.

From Los Angeles Times

The chief must be comfortable speaking extemporaneously — and often in front of cameras — about the work of the police department through the progressive lens of the city’s elected leaders, including the mayor and City Council.

From Los Angeles Times

Other pieces, including tables, chairs and lamps, were made of hard plastic, also with vibrant pigments added extemporaneously.

From New York Times

Speechwriters do try and prepare for such moments, particularly if a president is known to speak extemporaneously.

From Seattle Times