Synonyms|640Antonyms|38|Broader|0Narrower|0Related|352

106 entries under foolish topic. ×

2
mad as a March hare(expression, idiom, silly, mad)
2
mad as a hatter(expression, idiom, silly, mad)
2
mentally strange(expression, silly, mad, insane)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
of unsound mind(expression, idiom, silly, mad)
2
preposterous(adjective, great, wrong, happy, perfect)
2
ridiculous(adjective, light, wrong, wild, silly)
2
screw loose(expression, silly, mad, insane)
2
stupid(adjective, wrong, wild, silly)
1
ape(silly, crazy, mad, insane)
1
berserk(silly, crazy, mad, insane)
1
cockamamie(extraordinary, unreasonable, amazing, dubious)
1
cracked(adjective, simple, silly, crazy)
1
crazed(adjective, silly, crazy, mad)
1
delirious(silly, crazy, mad, unreasonable)
1
dingy(silly, mad, insane, unwise)
1
illogical(adjective, wrong, silly, stupid)
1
maniacal(silly, crazy, mad, insane)
1
mental(adjective, simple, silly, crazy)
1
mindless(adjective, wrong, silly, stupid)
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ChicagoSmart Define. 2015. "flaky thesaurus" https://smartdefine.org/flaky/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, flaky thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/flaky/thesaurus/synonyms>.
MLASmart Define. "flaky thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/flaky/thesaurus/synonyms>