Synonyms|861Antonyms|366|Broader|33Narrower|49Related|1.8k
4
spendthrift(noun, adjective, characteristic, extravagance, absurdness)
4
uncircumspect(adjective, characteristic, carelessness, imprudence)
4
unconcerned(adjective, characteristic, carelessness, imprudence)
4
unheeding(adjective, characteristic, carelessness, imprudence)
4
unobservant(adjective, characteristic, carelessness, imprudence)
4
unreflective(adjective, characteristic, carelessness, imprudence)
3
inadvisable
3
fanciful(adjective, characteristic, extravagance, absurdness)
3
harebrained
3
immoderate(adjective, characteristic, extravagance, absurdness)
3
implausible(adjective, characteristic, extravagance, absurdness)
3
impolitic
3
ludicrous(adjective, characteristic, extravagance, absurdness)
3
outrageous(adjective, characteristic, extravagance, absurdness)
3
ridiculous(adjective, characteristic, extravagance, absurdness)
3
shortsighted(adjective, unmindful)
3
visceral
3
witless
2
adventurous(adjective, daring)
2
bizarre(adjective, characteristic, extravagance, absurdness)
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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>