Synonyms|1.4kAntonyms|587|Broader|17Narrower|4Related|2.5k
1
brainless
1
clairvoyant
1
cockeyed
1
condescending
1
cracked
1
crackers
1
daft
1
dead
1
deaf
1
demented
1
deranged
1
derisory
1
dim
1
dippy
1
dizzy(adjective, scatterbrained, flighty)
1
dopey(adjective, stupid)
1
empty-headed(adjective, scatterbrained, flighty)
1
exorbitant(adjective, reasonable, extravagant, excessive)
1
frantic
1
groundless
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APASmart Define. (2016). sensible thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sensible/thesaurus/antonyms
ChicagoSmart Define. 2016. "sensible thesaurus" https://smartdefine.org/sensible/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sensible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sensible/thesaurus/antonyms>.
MLASmart Define. "sensible thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/sensible/thesaurus/antonyms>