128 entries under adjective topic. ×

24
imprudent(characteristic, kind, careless, extravagance)
24
foolish(characteristic, sound, careless, wise)
19
careless(characteristic, attentive, carelessness, responsible)
16
incautious(characteristic, careless, carelessness, imprudent)
16
reckless(characteristic, careless, extravagance, reserved)
15
indiscreet(characteristic, careless, carelessness, imprudent)
15
unwise(characteristic, careless, carelessness, imprudent)
15
wasteful(characteristic, careless, extravagance, carelessness)
14
silly(characteristic, extravagance, absurdness)
13
hasty(characteristic, careless, carelessness, imprudent)
12
crazy(characteristic, extravagance, absurdness)
12
thoughtless(characteristic, reasonable, careless, carelessness)
11
improvident(characteristic, extravagance, carelessness, imprudence)
11
rash(characteristic, careless, carelessness, imprudent)
10
nonsensical(characteristic, careless, extravagance, carelessness)
9
insane
8
injudicious(characteristic, carelessness, imprudence)
8
expensive(characteristic, careless, extravagance, carelessness)
8
heedless(characteristic, carelessness, imprudence)
8
mindless(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>