5
stolid(dull, unintelligent, witless)
5
trifling
5
unintellectual(adjective, unintellectual)
4
amusing(adjective, silly, ridiculous, absurd, irritating)
4
boneheaded(silly, impulsive, impractical, unintelligent, unaware)
4
brash(adjective, careless, silly, crazy, thoughtless)
4
confused(adjective, careless, stupid, unreasonable, thoughtless)
4
dimwitted(adjective, silly, stupid, green, fat)
4
doting(adjective, loving, fond)
4
droll(adjective, silly, ridiculous, absurd, amusing)
4
dull-witted
4
fallacious(adjective, unreasonable, absurd, irrational, illogical)
4
fanciful(adjective, strange, silly, excessive, expensive)
4
funny
4
grotesque(adjective, ridiculous)
4
idle(adjective, imbecility folly)
4
improper(adjective, wrong, offensive, rude, careless)
4
incredible(adjective, ridiculous)
4
light
4
maudlin(adjective, sentimental, imbecility folly)
10 years ago|43k views|share |citing 
APASmart Define. (2016). foolish thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>