70 entries under impromptu topic. ×

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hammy(mock, affected)
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high falutin(expression, mock, affected)
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hyped up(expression, mock, affected)
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improvisatory(spontaneous, unprepared)
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invented(mock, affected)
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jamming(spontaneous, unprepared)
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la-di-da(mock, affected)
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made-up(spontaneous, unprepared)
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makeshift(spontaneous, unprepared)
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manmade(mock, affected)
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mimetic(mock, affected)
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mock
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not genuine(expression, mock, affected)
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not kosher(expression, mock, affected)
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on-the-spot(spontaneous, unprepared)
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on impulse(expression, spontaneous, unprepared)
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planter(mock, affected)
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snap(spontaneous, unprepared)
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soft shell(expression, mock, affected)
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spur of the moment(expression, idiom, mock, affected)
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APASmart Define. (2013). unscripted thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unscripted/thesaurus/synonyms
ChicagoSmart Define. 2013. "unscripted thesaurus" https://smartdefine.org/unscripted/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, unscripted thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unscripted/thesaurus/synonyms>.
MLASmart Define. "unscripted thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/unscripted/thesaurus/synonyms>