1
rashly(adverb, impulsively)
1
reflexively(adverb, impulsively)
1
unpremeditatedly
1
unpreparedly
1
without preparation(expression, idiom, adverb, freely, offhand)
0
according to pleasure(expression, idiom, spontaneously, improv)
0
ad libitum(expression, spontaneously, improv)
0
as one thinks best(expression, idiom, spontaneously, improv)
0
as one wishes(expression, idiom, spontaneously, improv)
0
at will(expression, spontaneously, improv)
0
automatically(spontaneously, improv)
0
briskly
0
by ear(expression, offhand, impromptu, spontaneously, improv)
0
casually
0
cuff
0
devoid
0
directly
0
freely
0
immediately
0
improv(offhand, impromptu, spontaneously)
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APASmart Define. (2015). extemporaneously thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/extemporaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporaneously thesaurus" https://smartdefine.org/extemporaneously/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, extemporaneously thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/extemporaneously/thesaurus/synonyms>.
MLASmart Define. "extemporaneously thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/extemporaneously/thesaurus/synonyms>