Synonyms|580Antonyms|117|Broader|6Narrower|0Related|874

107 entries under foolish topic. ×

3
kooky(adjective, silly, crazy, mad)
3
of unsound mind(expression, adjective, idiom, silly)
2
ape(silly, crazy, mad, insane)
2
bats in the belfry(expression, idiom, silly, mad)
2
bonkers(adjective, silly, crazy, mad)
2
cracked(adjective, silly, crazy, mad)
2
cuckoo(adjective, silly, crazy, mad)
2
flipped(adjective, wild, enthusiastic, silly)
2
flipped out(expression, adjective, wild, silly)
2
freaked out(expression, adjective, wild, enthusiastic, silly)
2
mad as a March hare(expression, idiom, silly, mad)
2
mad as a hatter(expression, idiom, silly, mad)
2
mental(adjective, silly, crazy, mad)
2
mentally strange(expression, silly, mad, insane)
2
moonstruck(silly, mad, insane, unwise)
2
nuts(adjective, wild, silly, crazy)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
potty(adjective, silly, mad, insane)
2
round the bend(expression, idiom, silly, mad)
2
screw loose(expression, silly, mad, insane)
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APASmart Define. (2015). delirious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/delirious/thesaurus/synonyms
ChicagoSmart Define. 2015. "delirious thesaurus" https://smartdefine.org/delirious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, delirious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/delirious/thesaurus/synonyms>.
MLASmart Define. "delirious thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/delirious/thesaurus/synonyms>