0
render useless(expression, idiom, nonpreparation)
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revive
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slapdash
0
speak extemporaneously(verb, expression, invent, improvise)
0
speak impromptu(verb, expression, invent, improvise)
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speak off the cuff(verb, expression, idiom, fake, invent)
0
spontaneous(adjective, informal, unplanned, off-the-cuff, extemporise)
0
undress
0
unplanned(informal, off-the-cuff)
0
unprepared(adjective, informal, unplanned, off-the-cuff, extemporise)
0
unrehearsed(adjective, informal, unplanned, off-the-cuff, extemporise)
0
uppermost
0
useless
0
warm-up
0
without restraint(expression, informal, unplanned, off-the-cuff, extemporise)
11 years ago|2k views|share |citing 
APASmart Define. (2015). extemporize thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extemporize/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporize thesaurus" https://smartdefine.org/extemporize/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, extemporize thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extemporize/thesaurus/synonyms>.
MLASmart Define. "extemporize thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/extemporize/thesaurus/synonyms>