104 entries under adjective topic. ×

3
daft(silly, foolish, crazy, zany)
3
erratic(ignore, silly, crazy, forget)
3
foolhardy
3
irresponsible
3
madcap(silly, crazy, funny, zany)
3
wacky(silly, crazy, funny, zany)
2
demented(silly, foolish, crazy, zany)
2
dumb
2
heedless
2
laughable
2
loony(silly, foolish, crazy, zany)
2
preposterous(silly, foolish, crazy, zany)
2
rash
2
senseless
2
thoughtless
2
wool-gathering(noun, ignore, forget, vague)
1
absent(ignore, forget, vague)
1
absentminded(ignore, forget, vague, absent)
1
abstracted(ignore, forget, vague, absent)
1
balmy(silly, foolish, crazy, zany)
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APASmart Define. (2013). hare-brained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hare-brained/thesaurus/synonyms
ChicagoSmart Define. 2013. "hare-brained thesaurus" https://smartdefine.org/hare-brained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, hare-brained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hare-brained/thesaurus/synonyms>.
MLASmart Define. "hare-brained thesaurus" 19 May 2013. Web. 23 September 2026. <https://smartdefine.org/hare-brained/thesaurus/synonyms>