128 entries under adjective topic. ×

8
unreasonable(characteristic, careless, extravagance, carelessness)
7
inattentive(characteristic, careless, carelessness, imprudent)
7
stupid(characteristic, sharp, careless, intelligent)
6
extravagant(characteristic, extravagance, absurdness)
6
forgetful(characteristic, carelessness, imprudence)
6
inconsiderate(characteristic, carelessness, imprudence)
6
irresponsible(characteristic, carelessness, imprudence)
6
negligent(characteristic, carelessness, imprudence)
6
uneconomical(characteristic, careless, carelessness, imprudent)
5
abstracted(characteristic, carelessness, imprudence)
5
casual(characteristic, carelessness, imprudence)
5
inaccurate(characteristic, carelessness, imprudence)
5
inadvertent(characteristic, carelessness, imprudence)
5
lax(characteristic, carelessness, imprudence)
5
oblivious(characteristic, carelessness, imprudence)
5
offhand(characteristic, carelessness, imprudence)
5
remiss(characteristic, carelessness, imprudence)
5
sloppy(characteristic, carelessness, imprudence)
5
uncareful(characteristic, kind, careless, reserved)
5
unguarded(characteristic, carelessness, imprudence)
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APASmart Define. (2016). prudent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/prudent/thesaurus/antonyms
ChicagoSmart Define. 2016. "prudent thesaurus" https://smartdefine.org/prudent/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, prudent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/prudent/thesaurus/antonyms>.
MLASmart Define. "prudent thesaurus" 2 March 2016. Web. 27 September 2026. <https://smartdefine.org/prudent/thesaurus/antonyms>