28 entries under unprepared topic. ×

5
impromptu(adjective, adverb, informal, unplanned)
4
ad lib(expression, adjective, idiom, spontaneous)
4
unplanned(adjective, informal, spontaneous, unrehearsed)
4
unpremeditated(adjective, spontaneous, unplanned, unrehearsed)
4
unstudied(adjective, spontaneous, unplanned, unrehearsed)
3
extempore(adjective, informal, spontaneous, unrehearsed)
2
ad-lib(adjective, fake, informal, spontaneous)
2
off the cuff(expression, adjective, idiom, unplanned)
2
offhand(adjective, spontaneous, unplanned, unrehearsed)
2
spontaneous(adjective, informal, unplanned, unrehearsed)
2
unarranged(spontaneous, unplanned, unrehearsed, unpremeditated)
2
unrehearsed(adjective, informal, spontaneous, unplanned)
1
ad hoc(expression, idiom, informal, spontaneous)
1
dashed off(expression, fake, unplanned, unrehearsed)
1
fake(unplanned, unrehearsed, unscripted)
1
faked(fake, unplanned, unrehearsed, winged)
1
improv(fake, unplanned, unrehearsed, unscripted)
1
improviso(fake, spontaneous, unplanned, unrehearsed)
1
off-the-cuff(adjective, informal, spontaneous, unplanned)
1
played by ear(expression, fake, unplanned, unrehearsed)
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APASmart Define. (2015). extemporized thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/extemporized/thesaurus/synonyms
ChicagoSmart Define. 2015. "extemporized thesaurus" https://smartdefine.org/extemporized/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, extemporized thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/extemporized/thesaurus/synonyms>.
MLASmart Define. "extemporized thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/extemporized/thesaurus/synonyms>