4
extempore
4
impromptu
3
ad-lib
3
extemporaneous
3
extemporary
3
offhand
3
offhanded
3
plant-based
3
unrehearsed
2
black
2
off-the-cuff
2
selfish
2
spur-of-the-moment
1
amateur
1
capricious
1
disinclined
1
foul
1
niggardly
1
pretty(adjective, characteristic, attribute, peculiar, with features)
1
sad
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APASmart Define. (2015). unprepared thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unprepared/thesaurus/related
ChicagoSmart Define. 2015. "unprepared thesaurus" https://smartdefine.org/unprepared/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2015, unprepared thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unprepared/thesaurus/related>.
MLASmart Define. "unprepared thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unprepared/thesaurus/related>