Synonyms|526Antonyms|215|Broader|35Narrower|44Related|1.9k
1
beguiled
1
benighted
1
besotted
1
bewildered
1
beyond all reason(expression, idiom, silly, foolish, fantastic)
1
bizarre(adjective, wrong, wild, strange, silly)
1
blankminded
1
blatant
1
blind
1
bonkers(adjective, silly, foolish, unwise)
1
brain-dead
1
brainsick(adjective, wrong, wild, crazy, mad)
1
bubbleheaded
1
calm
1
catchpenny
1
chimerical
1
cloud-built
1
cockamamie
1
cockamamy(silly, thoughtless, unwise)
1
confused
For more, visit Fatuous on Power Thesaurus
11 years ago|23k views|share |citing 
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>