Synonyms|427Antonyms|150|Broader|0Narrower|0Related|2k

128 entries under adjective topic. ×

2
dotty(weak, simple, silly, foolish)
2
frothy(ability, careless, inconstant, giddy)
2
headlong(careless, wild, thoughtless, impulsive)
2
imbecilic(weak, simple, knowledge, ability)
2
indiscreet(weak, simple, careless, wild)
2
irrational(weak, simple, careless, wild)
2
kooky(weak, great, simple, extraordinary)
2
loopy(knowledge, ability, informal, foolish)
2
lunatic(weak, simple, knowledge, ability)
2
mindless(careless, wild, silly, foolish)
2
moronic(weak, simple, knowledge, ability)
2
potty(wild, silly, foolish, stupid)
2
softheaded(knowledge, ability)
2
unconsidered
2
venturesome(careless, wild, bold, thoughtless)
1
adventuresome(careless, wild, bold, thoughtless)
1
barmy(careless, silly, foolish, stupid)
1
batty(keen, warm, slow, wild)
1
bizarre(careless, silly, foolish, stupid)
1
changeable(careless, wild, excited, foolish)
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ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>