5
uncareful(adjective, characteristic, kind, careless, reserved)
5
unguarded(adjective, characteristic, carelessness, imprudence)
5
unmindful(adjective, characteristic, carelessness, imprudence)
5
unthinking(adjective, characteristic, carelessness, imprudence)
4
absent-minded(adjective, characteristic, carelessness, imprudence)
4
absurd(adjective, characteristic, extravagance, absurdness)
4
cursory(adjective, characteristic, carelessness, imprudence)
4
disregardful(adjective, characteristic, carelessness, imprudence)
4
indifferent(adjective, characteristic, carelessness, imprudence)
4
indolent(adjective, characteristic, carelessness, imprudence)
4
loose(adjective, characteristic, carelessness, imprudence)
4
napping(adjective, characteristic, carelessness, imprudence)
4
nonchalant(adjective, characteristic, carelessness, imprudence)
4
perfunctory(adjective, characteristic, carelessness, imprudence)
4
pococurante(adjective, characteristic, carelessness, imprudence)
4
preposterous(adjective, characteristic, extravagance, absurdness)
4
prodigal(adjective, characteristic, extravagance, absurdness)
4
profligate(adjective, characteristic, extravagance, absurdness)
4
regardless(adjective, characteristic, carelessness, imprudence)
4
slipshod(adjective, characteristic, carelessness, imprudence)
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APASmart Define. (2016). prudent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/prudent/thesaurus/antonyms
ChicagoSmart Define. 2016. "prudent thesaurus" https://smartdefine.org/prudent/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, prudent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/prudent/thesaurus/antonyms>.
MLASmart Define. "prudent thesaurus" 2 March 2016. Web. 25 September 2026. <https://smartdefine.org/prudent/thesaurus/antonyms>