Synonyms|230Antonyms|2|Broader|0Narrower|0Related|19
2
fatuous
2
feather-brained
2
feeble-minded
2
heedless
2
laughable
2
light-headed
2
loony(adjective, silly, foolish, crazy, zany)
2
preposterous(adjective, silly, foolish, crazy, zany)
2
rash
2
senseless
2
simple-minded
2
thoughtless
2
witless
2
wool-gathering(noun, adjective, ignore, forget, vague)
1
absent(adjective, ignore, forget, vague)
1
absentminded(adjective, ignore, forget, vague, absent)
1
abstracted(adjective, ignore, forget, vague, absent)
1
balmy(adjective, silly, foolish, crazy, zany)
1
batty
1
brain-dead(adjective, ignore, forget, vague, absent)
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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>