Synonyms|121Antonyms|20|Broader|1Narrower|0Related|634
1
silly
1
simple
1
simpleminded
1
strange
1
stupid
1
subnormal
1
unscrupulous
1
wacko
1
wandering
1
whacko(crazy, hysterical, hacked, lunatic, psychotic)
1
witless
0
absurd
0
aliene
0
all possessed(expression, idiom, insanity)
0
bedlam
0
bedlamite
0
bereft
0
bereft of reason(expression, idiom, insanity)
0
beside
0
beside oneself(expression, idiom, insanity)
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APASmart Define. (2015). crackbrained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crackbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "crackbrained thesaurus" https://smartdefine.org/crackbrained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, crackbrained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crackbrained/thesaurus/synonyms>.
MLASmart Define. "crackbrained thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/crackbrained/thesaurus/synonyms>