185 entries under adjective topic. ×

1
bonkers(silly, foolish, unwise)
1
brainsick(wrong, wild, crazy, mad)
1
crack-brained
1
cracked(wrong, wild, silly, foolish)
1
crazed(wrong, wild, silly, foolish)
1
crazy as a loon(expression, idiom, wrong, confused)
1
derailed(wrong, wild, silly, foolish)
1
deranged(wrong, wild, silly, foolish)
1
disordered(wrong, wild, crazy, mad)
1
double talk(expression, silly, stupid, insignificant)
1
dull-witted
1
exorbitant
1
feather-headed
1
frenzied(wrong, wild, silly, foolish)
1
impractical(wrong, wild, silly, foolish)
1
inconsistent(simple, silly, stupid, insignificant)
1
incredible
1
lumpish
1
moonstruck(silly, foolish, stupid, insane)
1
outlandish(silly, foolish, unwise)
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APASmart Define. (2015). fatuous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fatuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatuous thesaurus" https://smartdefine.org/fatuous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, fatuous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fatuous/thesaurus/synonyms>.
MLASmart Define. "fatuous thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/fatuous/thesaurus/synonyms>