Synonyms|121Antonyms|20|Broader|1Narrower|0Related|634
14
half-assed
7
crazy(adjective, irrational, hysterical, insanity, psychotic)
6
idiotic
4
daft
4
demented(adjective, insanity)
4
mad
4
non compos mentis(expression, idiom, crazy, hysterical, insanity)
4
psycho
3
bonkers
3
cracked
3
cranky
3
deranged
3
imbecile
3
insane
3
loco
3
lunatic
3
moonstruck
3
touched
3
unbalanced
3
unhinged
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ChicagoSmart Define. 2015. "crackbrained thesaurus" https://smartdefine.org/crackbrained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, crackbrained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/crackbrained/thesaurus/synonyms>.
MLASmart Define. "crackbrained thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/crackbrained/thesaurus/synonyms>