Synonyms|38Antonyms|1|Broader|0Narrower|0Related|0
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automatically(spontaneously, improv, extemporaneously)
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by ear(expression, spontaneously, improv, extemporaneously)
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extemporaneously(spontaneously, improv)
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extemporize(informal, unplanned, off-the-cuff, extemporise)
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improv(spontaneously, extemporaneously)
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impulsive
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informal(unplanned, off-the-cuff)
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makeshift(informal, unplanned, off-the-cuff)
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off the cuff(expression, idiom, spontaneously, improv, extemporaneously)
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off the hip(expression, idiom, spontaneously, improv, extemporaneously)
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off the top of head(expression, idiom, spontaneously, improv, extemporaneously)
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off top of head(expression, idiom, spontaneously, improv, extemporaneously)
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spontaneously(improv, extemporaneously)
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spur of the moment(expression, idiom, spontaneously, improv, extemporaneously)
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unplanned(informal, off-the-cuff)
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without preparation(expression, spontaneously, improv, extemporaneously)
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without preparing(expression, spontaneously, improv, extemporaneously)
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without rehearsal(expression, spontaneously, improv, extemporaneously)
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APASmart Define. (2011). as one thinks best thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/as_one_thinks_best/thesaurus/synonyms
ChicagoSmart Define. 2011. "as one thinks best thesaurus" https://smartdefine.org/as_one_thinks_best/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2011, as one thinks best thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/as_one_thinks_best/thesaurus/synonyms>.
MLASmart Define. "as one thinks best thesaurus" 18 May 2011. Web. 28 September 2026. <https://smartdefine.org/as_one_thinks_best/thesaurus/synonyms>