3 entries under adjective topic. ×

2
ad-lib(adverb, manner)
1
extemporaneous
1
impromptu(adverb, unrehearsed, improvised)
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APASmart Define. (2015). rehearsed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rehearsed/thesaurus/antonyms
ChicagoSmart Define. 2015. "rehearsed thesaurus" https://smartdefine.org/rehearsed/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, rehearsed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rehearsed/thesaurus/antonyms>.
MLASmart Define. "rehearsed thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/rehearsed/thesaurus/antonyms>