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

151 entries under foolish topic. ×

1
erratic(adjective, careless, wild, silly)
1
feebleminded(weak, simple, silly, thoughtless)
1
fickle(adjective, careless, excited, unstable)
1
ill-advised(weak, simple, careless, wild)
1
ill-conceived(silly, fantastic, impulsive, unwise)
1
ill-considered(adjective, careless, silly, trivial)
1
impracticable(silly, fantastic, unwise, impractical)
1
impractical(silly, trivial, impulsive, half-baked)
1
inappropriate(silly, stupid, fantastic, absurd)
1
injudicious(weak, simple, careless, silly)
1
ludicrous(weak, simple, silly, stupid)
1
nerdy(weak, simple, silly, thoughtless)
1
nuts(adjective, wild, silly, stupid)
1
odd(adjective, wild, strange, silly)
1
out of all reason(expression, idiom, silly, fantastic)
1
outlandish(extraordinary, silly, amazing, absurd)
1
outrageous(silly, fantastic, absurd, half-baked)
1
peculiar(silly, fantastic, unwise, impractical)
1
quixotic(silly, fantastic, unwise, impractical)
1
screwy(extraordinary, silly, amazing, dubious)
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MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>