What is the meaning of extemporaneous?

"Extemporaneous" means done, spoken, or performed without being planned or prepared in advance. It emphasizes the spontaneous and improvisational nature of the action or speech.

Here are some synonyms for extemporaneous:

* Impromptu

* Unscripted

* Off-the-cuff

* Ad-libbed

* Unrehearsed

Here's how the word is used in a sentence:

* The comedian's extemporaneous jokes had the audience roaring with laughter.

* She gave an extemporaneous speech at the conference, surprising everyone with her eloquence.

Note: Extemporaneous can also be used to describe something that is temporary or provisional.