Synonyms|121Antonyms|20|Broader|1Narrower|0Related|634

13 entries under expression topic. ×

4
non compos mentis(idiom, crazy, hysterical, insanity)
2
not right(idiom, insanity)
1
in the ozone(crazy, hysterical, hacked, lunatic)
1
not all there
1
nutty as a fruitcake(crazy, hysterical, hacked, lunatic)
1
nutty as fruitcake(crazy, hysterical, hacked, lunatic)
1
scatter brained(idiom, insanity)
1
shatter brained(idiom, insanity)
0
all possessed(idiom, insanity)
0
bereft of reason(idiom, insanity)
0
beside oneself(idiom, insanity)
0
insanely irresponsible
0
off one's head(idiom, insanity)
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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>