verb (ad-libb, ing)
- To improvise all or part of a speech or other performance, especially in comedy.
Etymology: From ad lib.
- 1998 December 21, The New Yorker,
- : Hope"s onstage ad-libbing generated more humor and attention than the show"s lacklustre libretto.
- 2004 March 15, The New Yorker,
- : I watched Jeb Bush as his brother spoke. He paid attention, grinned and laughed, even ad-libbed when called upon.
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