100 entries under foolish topic. ×

2
mentally strange(expression, silly, mad, insane)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
preposterous(adjective, silly, stupid, insane)
2
psychopathic(adjective, silly, stupid, insane)
2
rabid(adjective, silly, stupid, insane)
2
raging(adjective, silly, stupid, insane)
2
raving(adjective, silly, stupid, insane)
2
round the bend(expression, idiom, silly, mad)
2
schizophrenic(adjective, silly, stupid, insane)
2
screw loose(expression, silly, mad, insane)
2
silly(adjective, soft, tender, sweet, wild)
2
strange(silly, unwise)
2
wacky(adjective, slang, silly, mad)
1
ape(silly, mad, insane, unwise)
1
berserk(silly, mad, insane, unwise)
1
derailed(adjective, silly, stupid, insane)
1
dingy(silly, mad, insane, unwise)
1
dippy(silly, mad, insane, unwise)
1
erratic(silly, mad, insane, unwise)
1
flaky(silly, mad, insane, unwise)
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APASmart Define. (2015). moonstruck thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/moonstruck/thesaurus/synonyms
ChicagoSmart Define. 2015. "moonstruck thesaurus" https://smartdefine.org/moonstruck/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, moonstruck thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/moonstruck/thesaurus/synonyms>.
MLASmart Define. "moonstruck thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/moonstruck/thesaurus/synonyms>