77 entries under foolish topic. ×

5
eccentric(adjective, silly, unwise)
4
flaky(adjective, silly, crazy, mad)
4
irrational(adjective, silly, unwise)
4
maniacal(adjective, silly, crazy, mad)
4
screwball(adjective, silly, crazy, mad)
4
silly(adjective, crazy, mad, trivial)
4
stupid(adjective, careless, silly, unwise)
3
bizarre(adjective, careless, silly, stupid)
3
idiotic(adjective, silly, mad, trivial)
3
ludicrous(adjective, silly, unwise)
3
outlandish(adjective, silly, unwise)
3
preposterous(adjective, careless, silly, stupid)
3
psycho(silly, crazy, mad, insane)
3
ridiculous(adjective, silly, unwise)
3
strange(adjective, silly, unwise)
3
weird(adjective, silly, unwise)
2
bats in the belfry(expression, idiom, silly, mad)
2
berserk(adjective, silly, crazy, mad)
2
flipped(silly, mad, insane, unwise)
2
flipped out(expression, silly, crazy, mad)
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APASmart Define. (2015). barmy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/barmy/thesaurus/synonyms
ChicagoSmart Define. 2015. "barmy thesaurus" https://smartdefine.org/barmy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, barmy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/barmy/thesaurus/synonyms>.
MLASmart Define. "barmy thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/barmy/thesaurus/synonyms>