30 entries under chance topic. ×

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erratic(unplanned, unpremeditated)
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extemporaneous(unplanned, unpremeditated)
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extempore(unplanned, unpremeditated)
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impromptu(unplanned, accidental, unintended, unpremeditated)
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improvised(unplanned, unpremeditated)
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impulsive(unplanned, unpremeditated)
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infrequent(unplanned, unpremeditated)
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off-the-cuff(unplanned, unpremeditated)
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offhand(unplanned, unpremeditated)
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spontaneous(unplanned, accidental, unintended, unpremeditated)
<12>
11 years ago|10k views|share |citing 
APASmart Define. (2015). adventitious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/adventitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "adventitious thesaurus" https://smartdefine.org/adventitious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, adventitious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/adventitious/thesaurus/synonyms>.
MLASmart Define. "adventitious thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/adventitious/thesaurus/synonyms>