37 entries under expression topic. ×

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first off
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of itself
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of your own accord(idiom, happily, willingly)
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off the cuff(idiom, impromptu, improv, extemporaneously)
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off the hip(idiom, improv, extemporaneously)
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off the top of head(idiom, impromptu, improv, extemporaneously)
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off top of head(idiom, impromptu, improv, extemporaneously)
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spur of the moment(idiom, improv, extemporaneously)
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with one accord
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without being asked(idiom, happily, freely, willingly)
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without delay
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without obstruction(adverb, freely)
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without preparation(impromptu, improv, extemporaneously)
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without preparing(improv, extemporaneously)
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without rehearsal(impromptu, improv, extemporaneously)
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without restrictions(adverb, freely)
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would naturally
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APASmart Define. (2015). spontaneously thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/spontaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneously thesaurus" https://smartdefine.org/spontaneously/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, spontaneously thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/spontaneously/thesaurus/synonyms>.
MLASmart Define. "spontaneously thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/spontaneously/thesaurus/synonyms>