1
purposeless(careless, chance, casual, haphazard, arbitrary)
1
rough-and-ready
1
rushed
1
shiftless
1
shot from the hip(expression, idiom, unprepared, unplanned, unrehearsed)
1
slapdash(careless, chance, casual, haphazard, arbitrary)
1
slipshod(careless, casual, random, arbitrary)
1
snappy(adjective, fast, irritable, tetchy, snippy)
1
straight
1
straightforward
1
subliminal(ignorant, hidden, unconscious, unaware, oblivious)
1
surprised
1
swift(passionate, violent, thoughtless, rash, unthinking)
1
taken aback
1
taken by surprise(expression, idiom)
1
taken unawares
1
taking for ride(expression, free, informal, casual, snap)
1
thought out loud(expression, free, informal, casual, snap)
1
thriftless
1
too early
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APASmart Define. (2015). unpremeditated thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unpremeditated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpremeditated thesaurus" https://smartdefine.org/unpremeditated/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unpremeditated thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unpremeditated/thesaurus/synonyms>.
MLASmart Define. "unpremeditated thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unpremeditated/thesaurus/synonyms>