Synonyms|526Antonyms|215|Broader|35Narrower|44Related|1.9k
2
unmindful
2
worthless
2
wrong
2
zany(weak, simple, silly, foolish, thoughtless)
1
dense(adjective, characteristic, stupid, stupidity, foolishness)
1
dim(adjective, boring)
1
hollow
1
laughable
1
addle-pated
1
depressing
1
addle-brained
1
air-built
1
airy
1
apish
1
around the bend(expression, adjective, idiom, wrong, wild)
1
babbling
1
banal
1
barmy(adjective, silly, foolish, unwise)
1
barren
1
befooled
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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>