114 entries under foolish topic. ×

2
harebrained(weak, simple, careless, silly)
2
ill-advised(weak, simple, silly, stupid)
2
injudicious(weak, simple, silly, thoughtless)
2
jackass
2
jerky(weak, simple, silly, thoughtless)
2
kooky(weak, simple, silly, thoughtless)
2
lunatic(adjective, weak, simple, silly)
2
simple-minded(adjective, silly, stupid, green)
2
tomfool
2
weak(simple, silly, thoughtless, absurd)
1
birdbrained(silly, crazy, insane, unintelligent)
1
blithering
1
bone-headed
1
careless(adjective, wild, silly, stupid)
1
chuckle-headed
1
fantastic(weak, simple, silly, thoughtless)
1
feebleminded(weak, simple, silly, thoughtless)
1
heedless(adjective, careless, wild, silly)
1
ill-considered(weak, simple, silly, thoughtless)
1
imprudent(weak, simple, silly, thoughtless)
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APASmart Define. (2015). asinine thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/asinine/thesaurus/synonyms
ChicagoSmart Define. 2015. "asinine thesaurus" https://smartdefine.org/asinine/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, asinine thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/asinine/thesaurus/synonyms>.
MLASmart Define. "asinine thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/asinine/thesaurus/synonyms>