Synonyms|1.3kAntonyms|405|Broader|14Narrower|15Related|2.1k
1
nutty
1
oblivious
1
opaque
1
rash(reasonable, sensible)
1
rattlebrained
1
rattlepated
1
reckless(adjective, careless, foolish, reserved, cautious)
1
sappy
1
scatterbrained
1
scatty
1
screwball
1
screwy
1
shortsighted(adjective, unmindful)
1
slow-witted
1
thick(adjective, unreasonable)
1
thickheaded
1
thoughtless(adjective, reasonable, careless, foolish, prudent)
1
trippy(state, behavior)
1
undiplomatic
1
undiscerning(reasonable, sensible)
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ChicagoSmart Define. 2016. "wise thesaurus" https://smartdefine.org/wise/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, wise thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/wise/thesaurus/antonyms>.
MLASmart Define. "wise thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/wise/thesaurus/antonyms>