Synonyms|59Antonyms|0|Broader|0Narrower|0Related|0
2
erratic(adjective, unplanned, unintentional, accidental, inadvertent)
2
fortuitous(adjective, unplanned, unintentional, accidental, inadvertent)
2
random(adjective, unplanned, unintentional, accidental, inadvertent)
2
snap
2
unconscious(adjective, unplanned, unintentional, accidental, inadvertent)
2
unexpected(adjective, unplanned, unintentional, accidental, inadvertent)
2
unforeseen(adjective, unplanned, unintentional, accidental, inadvertent)
1
ad-lib
1
ad lib
1
caught napping
1
caught off balance(expression, idiom)
1
caught short
1
extemporized
1
hasty
1
ill-considered(adjective, unprepared)
1
involuntary(adjective, unplanned, unintentional, accidental, inadvertent)
1
precipitate
1
purposeless(adjective, unplanned, unintentional, accidental, inadvertent)
1
surprised
1
taken aback
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APASmart Define. (2015). undevised thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undevised/thesaurus/synonyms
ChicagoSmart Define. 2015. "undevised thesaurus" https://smartdefine.org/undevised/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undevised thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undevised/thesaurus/synonyms>.
MLASmart Define. "undevised thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/undevised/thesaurus/synonyms>