1
kinky
1
lamebrained(extraordinary, amazing, dubious, astonishing, incredible)
1
light-headed(adjective, silly, faint)
1
light-minded
1
light minded(expression, idiom)
1
lighthearted(adjective, ability)
1
lively(excited, silly, crazy, unreliable, changeable)
1
ludicrous(weak, simple, silly, foolish, stupid)
1
lunkheaded
1
madbrain
1
madbrained
1
maggoty
1
moody
1
motiveless
1
nerdy(weak, simple, silly, foolish, thoughtless)
1
notional
1
nuts(adjective, wild, silly, foolish, stupid)
1
odd(adjective, wild, strange, silly, foolish)
1
open to doubt(expression, idiom, extraordinary, amazing, dubious)
1
out of all reason(expression, idiom, silly, foolish, fantastic)
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APASmart Define. (2015). harebrained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>