25 entries under unplanned topic. ×

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hit-or-miss(spontaneous, unpremeditated)
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improvise(informal, extemporize, off-the-cuff, extemporise)
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thrown off(expression, adjective, unprepared)
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unarranged(adjective, spontaneous, unprepared, unpremeditated)
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vamped(adjective, unprepared)
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APASmart Define. (2015). unrehearsed thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unrehearsed/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrehearsed thesaurus" https://smartdefine.org/unrehearsed/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unrehearsed thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unrehearsed/thesaurus/synonyms>.
MLASmart Define. "unrehearsed thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unrehearsed/thesaurus/synonyms>