Synonyms|1.4kAntonyms|587|Broader|17Narrower|4Related|2.5k
1
crazed
1
excessive(adjective, moderate, low)
1
extravagant(calm, good, plain, thrifty)
1
fanciful
1
farcical(adjective, absurd)
1
foolhardy
1
harebrained
1
illogical(adjective, sense)
1
impractical(adjective, foolish, practical, unsound, unrealistic)
1
impulsive
1
in mind
1
indiscreet(adjective, foolish, unsound)
1
ludicrous(adjective, ridiculous, absurd)
1
nonsensical
1
nutty
1
anaesthetic
1
asinine
1
barmy
1
batty
1
berserk
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ChicagoSmart Define. 2016. "sensible thesaurus" https://smartdefine.org/sensible/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sensible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sensible/thesaurus/antonyms>.
MLASmart Define. "sensible thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/sensible/thesaurus/antonyms>