33 entries under impromptu topic. ×

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manmade(mock, affected)
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mimetic(mock, affected)
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mock(adjective, fake, false, affected, simulated)
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shot from the hip(expression, idiom, mock, affected)
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spur of the moment(expression, idiom, mock, affected)
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spurious(adjective, fake, false, mock, affected)
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supposititious(adjective, counterfeit, mock, affected)
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thrown off(expression, mock, affected)
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tossed off(expression, mock, affected)
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trumped-up(mock, affected)
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unauthentic(mock, affected)
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ungenuine(mock, affected)
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unscripted(mock, affected)
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APASmart Define. (2015). planter thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/planter/thesaurus/synonyms
ChicagoSmart Define. 2015. "planter thesaurus" https://smartdefine.org/planter/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, planter thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/planter/thesaurus/synonyms>.
MLASmart Define. "planter thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/planter/thesaurus/synonyms>