74 entries under adjective topic. ×

13
offhand(free, casual, impulsive, prepared)
12
extemporaneous(free, casual, impulsive, prepared)
12
extempore(free, casual, impulsive, prepared)
12
impromptu(free, casual, impulsive, prepared)
8
off-the-cuff(informal, prepared, spontaneous, unprepared)
7
ad-lib(free, fake, casual, prepared)
7
improvised(free, casual, impulsive, prepared)
7
offhanded
7
unrehearsed(free, casual, impulsive, prepared)
6
unpremeditated(free, casual, impulsive, spontaneous)
6
unprepared(free, casual, impulsive, spontaneous)
6
unstudied(free, casual, impulsive, spontaneous)
5
spur-of-the-moment(free, casual, impulsive, prepared)
4
ad lib(expression, free, casual, spontaneous)
4
spontaneous(free, casual, impulsive, unprepared)
3
unplanned(free, casual, impulsive, spontaneous)
2
automatic(free, casual, impulsive, spontaneous)
2
extemporal(unrehearsed, extemporaneous)
2
makeshift(free, casual, impulsive, spontaneous)
2
off the cuff(expression, free, impromptu, improvised)
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APASmart Define. (2015). extemporary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extemporary/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporary thesaurus" https://smartdefine.org/extemporary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, extemporary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extemporary/thesaurus/synonyms>.
MLASmart Define. "extemporary thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/extemporary/thesaurus/synonyms>