1
at first glance(expression, free, informal, casual, snap)
1
autoschediastic(adjective, free, casual, impulsive, spontaneous)
1
blind(unwilling, obligatory, compulsory)
1
blunt(adjective, careless, thoughtless, inconsiderate)
1
by ear(expression, free, informal, casual, unrehearsed)
1
caught off balance(expression, idiom)
1
caught short
1
conditioned(adjective, unwilling, obligatory, compulsory)
1
contingent(chance, casual, random, haphazard, unplanned)
1
deaf
1
designless(careless, chance, casual, haphazard, arbitrary)
1
desultory(careless, chance, casual, haphazard, arbitrary)
1
devil-may-care(noun, passionate, violent, careless, casual)
1
emotional(noun, passionate, violent, thoughtless, abrupt)
1
erratic(careless, chance, casual, arbitrary, unplanned)
1
expedient(free, informal, casual, impulsive, snap)
1
fake(free, casual, impulsive, spontaneous, unprepared)
1
far ahead
1
feckless(adjective, rude, careless, thoughtless, unwise)
1
flaky(passionate, violent, thoughtless, abrupt, impetuous)
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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>