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

151 entries under foolish topic. ×

3
irresponsible(adjective, careless, wild, strange, excited)
3
jerky(adjective, weak, simple, knowledge, slang)
3
nonsensical(adjective, weak, simple, knowledge, ability)
3
senseless(weak, simple, silly, fantastic)
3
stupid(adjective, weak, simple, wild, silly)
3
zany(adjective, weak, simple, knowledge, ability)
2
asinine(adjective, weak, simple, careless)
2
capricious(adjective, careless, excited, unstable)
2
cockamamie(adjective, weak, great, simple, extraordinary)
2
dotty(adjective, weak, simple, silly)
2
fantastic(weak, simple, silly, thoughtless)
2
flaky(extraordinary, silly, amazing, dubious)
2
imbecilic(adjective, weak, simple, knowledge, ability)
2
indiscreet(adjective, weak, simple, careless, wild)
2
irrational(adjective, weak, simple, careless, wild)
2
kooky(adjective, weak, great, simple, extraordinary)
2
loopy(adjective, knowledge, ability, informal)
2
lunatic(adjective, weak, simple, knowledge, ability)
2
mindless(adjective, careless, wild, silly)
2
moronic(adjective, weak, simple, knowledge, ability)
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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>