19 entries under improv topic. ×

6
extemporaneously(adverb, impromptu, impulsively, extemporaneously)
5
automatically(adverb, extemporaneously)
3
ad lib(expression, idiom, adverb, impromptu)
3
ad libitum(expression, adjective, idiom, adverb)
3
impromptu(adverb, extemporaneously)
2
ad-lib(adverb, manner, extemporaneously)
1
without restraint(expression, willingly, openly, candidly)
0
according to pleasure(expression, idiom, extemporaneously)
0
as one thinks best(expression, idiom, extemporaneously)
0
as one wishes(expression, idiom, extemporaneously)
0
by ear(expression, extemporaneously)
0
off the cuff(expression, idiom, impromptu, extemporaneously)
0
off the hip(expression, idiom, extemporaneously)
0
off the top of head(expression, idiom, impromptu, extemporaneously)
0
off top of head(expression, idiom, impromptu, extemporaneously)
0
spur of the moment(expression, idiom, extemporaneously)
0
without preparation(expression, impromptu, extemporaneously)
0
without preparing(expression, extemporaneously)
0
without rehearsal(expression, impromptu, extemporaneously)
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APASmart Define. (2015). spontaneously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spontaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneously thesaurus" https://smartdefine.org/spontaneously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, spontaneously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spontaneously/thesaurus/synonyms>.
MLASmart Define. "spontaneously thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/spontaneously/thesaurus/synonyms>