32 entries under adverb topic. ×

6
extempore(impulse, impromptu)
5
impromptu(impulse, offhand, impulsively, spontaneously)
4
ad lib(expression, idiom, impromptu, spontaneously)
4
extemporarily
4
offhand
4
spontaneously(freely, impromptu, impulsively, improv)
3
off the cuff(expression, adjective, idiom, preparation)
2
abruptly
2
ad-lib(manner, offhand, impromptu, spontaneously)
2
impulsively
1
briefly
1
haphazardly
1
hastily
1
improvisationally
1
instantaneously
1
offhandedly
1
rashly
1
reflexively
1
without preparation(expression, idiom, freely, offhand)
0
briskly
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APASmart Define. (2015). extemporaneously thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extemporaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporaneously thesaurus" https://smartdefine.org/extemporaneously/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, extemporaneously thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extemporaneously/thesaurus/synonyms>.
MLASmart Define. "extemporaneously thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/extemporaneously/thesaurus/synonyms>