Ad lib and Prepared
Opposite meaning terms
Ad lib
Ad lib adverb - Without advance preparation.
Prepared
Prepared adjective - Being in a state of fitness for some experience or action.
Cite this Source
Prepared and Ad lib. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/ad_lib/prepared
Ad lib & Prepared. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/ad_lib/prepared>.
Prepared or Ad lib. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/ad_lib/prepared.
Google Ngram Viewer shows how "ad lib" and "prepared" have occurred on timeline