Synonyms|230Antonyms|2|Broader|0Narrower|0Related|19
4
ludicrous
4
moronic
4
reckless
4
ridiculous
4
screwy(adjective, silly, foolish, crazy, zany)
3
daft(adjective, silly, foolish, crazy, zany)
3
dippy
3
empty-headed
3
erratic(adjective, ignore, silly, crazy, forget)
3
foolhardy
3
giddy
3
irresponsible
3
madcap(adjective, silly, crazy, funny, zany)
3
wacky(adjective, silly, crazy, funny, zany)
2
addle-pated
2
bird-brained
2
brainless
2
cuckoo(zany, comical, schtick)
2
demented(adjective, silly, foolish, crazy, zany)
2
dumb
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APASmart Define. (2013). hare-brained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hare-brained/thesaurus/synonyms
ChicagoSmart Define. 2013. "hare-brained thesaurus" https://smartdefine.org/hare-brained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, hare-brained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hare-brained/thesaurus/synonyms>.
MLASmart Define. "hare-brained thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/hare-brained/thesaurus/synonyms>