Synonyms|59Antonyms|0|Broader|0Narrower|0Related|0
6
extemporaneous(adjective, unprepared, unplanned, unintentional, accidental)
6
haphazard(adjective, unprepared, unplanned, unintentional, accidental)
6
inadvertent(adjective, planned, unplanned, unintentional, accidental)
6
undesigned(adjective, planned, unplanned, unintentional, accidental)
6
unintended(adjective, planned, unplanned, unintentional, accidental)
5
unintentional(adjective, planned, unplanned, accidental, inadvertent)
5
unplanned(adjective, planned, unintentional, accidental, inadvertent)
3
impromptu(adjective, unprepared)
3
improvised(adjective, unprepared)
3
makeshift(adjective, unprepared)
3
rough-and-ready(adjective, unprepared)
3
unmeant(adjective, planned, unintentional)
3
unpremeditated(adjective, unplanned, unintentional, accidental, inadvertent)
3
unprepared(adjective, unprepared)
3
unthought(adjective, unplanned, unintentional, accidental, inadvertent)
3
unwitting(adjective, planned, unplanned, unintentional, accidental)
2
accidental(adjective, unplanned, unintentional, inadvertent)
2
aimless(adjective, unplanned, unintentional, accidental, inadvertent)
2
casual(adjective, unplanned, unintentional, accidental, inadvertent)
2
chance(adjective, unplanned, unintentional, accidental, inadvertent)
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APASmart Define. (2015). undevised thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undevised/thesaurus/synonyms
ChicagoSmart Define. 2015. "undevised thesaurus" https://smartdefine.org/undevised/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, undevised thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undevised/thesaurus/synonyms>.
MLASmart Define. "undevised thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/undevised/thesaurus/synonyms>