Synonyms|526Antonyms|215|Broader|35Narrower|44Related|1.9k
2
hare-brained
2
imprudent(weak, simple, silly, foolish, stupid)
2
incongruous(adjective, false, silly, stupid, insignificant)
2
indiscreet(weak, simple, silly, foolish, thoughtless)
2
lamebrain
2
nuts(adjective, silly, foolish, stupid, unwise)
2
pinheaded
2
potty(silly, foolish, unwise)
2
rash(silly, thoughtless, unwise)
2
rattle-brained
2
reasonless
2
scatterbrained
2
screwball(silly, foolish, unwise)
2
short-sighted(adjective, weak, simple, silly, foolish)
2
slow(foolish, stupid, impractical, half-baked, doomed)
2
stolid
2
thimble-witted
2
tomfool(adjective, foolish)
2
trifling
2
trivial(adjective, silly, stupid, insignificant, ridiculous)
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APASmart Define. (2015). fatuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fatuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatuous thesaurus" https://smartdefine.org/fatuous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fatuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatuous/thesaurus/synonyms>.
MLASmart Define. "fatuous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fatuous/thesaurus/synonyms>