Synonyms|526Antonyms|215|Broader|35Narrower|44Related|1.9k

185 entries under adjective topic. ×

2
incongruous(false, silly, stupid, insignificant)
2
nuts(silly, foolish, stupid, unwise)
2
rattle-brained
2
short-sighted(weak, simple, silly, foolish)
2
stolid
2
thimble-witted
2
tomfool
2
trivial(silly, stupid, insignificant, ridiculous)
2
unmindful
2
worthless
1
dense(characteristic, stupid, stupidity, foolishness)
1
dim
1
hollow
1
laughable
1
addle-pated
1
addle-brained
1
around the bend(expression, idiom, wrong, wild)
1
barmy(silly, foolish, unwise)
1
bizarre(wrong, wild, strange, silly)
1
blind
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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>