18 entries under adverb topic. ×

11
impromptu(adjective, free, preparation, unqualified)
9
offhand(adjective, free, casual, preparation)
8
ad lib(expression, adjective, free, unrehearsed)
8
improvised(adjective, free, preparation, unqualified)
8
unrehearsed(adjective, free, informal, preparation)
7
extempore(adjective, free, unprepared, impromptu)
6
makeshift(adjective, free, informal, casual)
4
ad-lib(adjective, manner, preparation, unqualified)
2
extemporaneously(adjective, preparation, impromptu, spontaneously)
2
improv(adjective, free, informal, casual)
1
by ear(expression, adjective, free, casual)
1
off the hip(expression, adjective, idiom, preparation)
1
spur of the moment(expression, adjective, idiom, impulsive)
0
informally
0
off the top of one's head(adjective, preparation)
0
spontaneously(impromptu, improv, extemporaneously)
0
without preparing(expression, spontaneously, improv, extemporaneously)
0
without rehearsing
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APASmart Define. (2015). off the cuff thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/off_the_cuff/thesaurus/synonyms
ChicagoSmart Define. 2015. "off the cuff thesaurus" https://smartdefine.org/off_the_cuff/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, off the cuff thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/off_the_cuff/thesaurus/synonyms>.
MLASmart Define. "off the cuff thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/off_the_cuff/thesaurus/synonyms>