Synonyms|503Antonyms|100|Broader|13Narrower|17Related|1.6k

140 entries under foolish topic. ×

3
imbecilic(adjective, weak, simple, knowledge, ability)
3
jerky(adjective, weak, simple, knowledge, slang)
3
moronic(adjective, weak, simple, knowledge, ability)
3
raving(adjective, wrong, silly, stupid)
3
schizo(noun, adjective, silly, mad)
2
bats in the belfry(expression, idiom, silly, mad)
2
buggy(adjective, slang, silly, crazy)
2
dumb(adjective, crazy, insane, unintelligent)
2
fantastic(weak, simple, silly, thoughtless)
2
half-baked(weak, simple, silly, thoughtless)
2
half-witted(weak, simple, silly, thoughtless)
2
harebrained(adjective, weak, simple, knowledge, ability)
2
mad as a March hare(expression, idiom, silly, mad)
2
mad as a hatter(expression, adjective, idiom, silly)
2
mentally strange(expression, silly, mad, insane)
2
mindless(silly, mad, insane, unintelligent)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
outrageous(adjective, silly, unwise)
2
psychopathic(adjective, silly, stupid, irrational)
2
ridiculous(adjective, weak, simple, wild, silly)
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APASmart Define. (2015). lunatic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lunatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunatic thesaurus" https://smartdefine.org/lunatic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, lunatic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lunatic/thesaurus/synonyms>.
MLASmart Define. "lunatic thesaurus" 6 August 2015. Web. 26 September 2026. <https://smartdefine.org/lunatic/thesaurus/synonyms>