7 entries under adverb topic. ×

2
ad-lib(adjective, manner, rehearsed)
2
impromptu(adjective, deliberate, unrehearsed, improvised)
0
off the top of head(expression, idiom, prepared, ad-lib)
0
off top of head(expression, idiom, deliberate, prepared)
0
without preparation(expression, ad-lib)
0
without rehearsal(expression, ad-lib)
-1
ad lib(expression, deliberate, prepared, ad-lib)
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APASmart Define. (2016). planned thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/planned/thesaurus/antonyms
ChicagoSmart Define. 2016. "planned thesaurus" https://smartdefine.org/planned/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, planned thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/planned/thesaurus/antonyms>.
MLASmart Define. "planned thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/planned/thesaurus/antonyms>