What is the meaning of ad lib?

Without advance preparation.
- usage: "he spoke ad lib"
- synonyms: ad libitum, spontaneously, impromptu

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APA	WordNet. (2010). ad lib. Retrieved September 20, 2026, from http://smartdefine.org/ad_lib/definitions/1250509
Chicago	WordNet. 2010. "ad lib" http://smartdefine.org/ad_lib/definitions/1250509 (accessed September 20, 2026).
Harvard	WordNet 2010, ad lib, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/ad_lib/definitions/1250509>.
MLA	WordNet. "ad lib" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/ad_lib/definitions/1250509>

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