13 entries under impromptu topic. ×

6
extempore(adverb, impulse)
4
ad lib(expression, idiom, adverb, spontaneously)
4
spontaneously(adverb, freely, impulsively, improv)
3
off the cuff(expression, adjective, idiom, adverb, preparation)
2
ad-lib(adverb, manner, offhand, spontaneously)
1
without preparation(expression, idiom, adverb, freely, offhand)
0
by ear(expression, offhand, spontaneously, improv)
0
improv(offhand, spontaneously)
0
off the hip(expression, idiom, offhand, spontaneously)
0
off the top of head(expression, idiom, spontaneously, improv)
0
off top of head(expression, idiom, spontaneously, improv)
0
spur of the moment(expression, idiom, offhand, spontaneously)
0
without rehearsal(expression, adverb, spontaneously, improv)
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APASmart Define. (2015). extemporaneously thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extemporaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporaneously thesaurus" https://smartdefine.org/extemporaneously/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, extemporaneously thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extemporaneously/thesaurus/synonyms>.
MLASmart Define. "extemporaneously thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/extemporaneously/thesaurus/synonyms>