17 entries under careless topic. ×

24
imprudent(adjective, characteristic, kind, extravagance)
24
foolish(adjective, characteristic, sound, wise)
16
incautious(adjective, characteristic, carelessness, imprudent)
16
reckless(adjective, characteristic, extravagance, reserved)
15
indiscreet(adjective, characteristic, carelessness, imprudent)
15
unwise(adjective, characteristic, carelessness, imprudent)
15
wasteful(adjective, characteristic, extravagance, carelessness)
13
hasty(adjective, characteristic, carelessness, imprudent)
12
thoughtless(adjective, characteristic, reasonable, carelessness)
11
rash(adjective, characteristic, carelessness, imprudent)
10
nonsensical(adjective, characteristic, extravagance, carelessness)
8
expensive(adjective, characteristic, extravagance, carelessness)
8
unreasonable(adjective, characteristic, extravagance, carelessness)
7
inattentive(adjective, characteristic, carelessness, imprudent)
7
stupid(adjective, characteristic, sharp, intelligent)
6
uneconomical(adjective, characteristic, carelessness, imprudent)
5
uncareful(adjective, characteristic, kind, reserved)
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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>