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

185 entries under adjective topic. ×

9
batty(characteristic, wild, silly, foolish)
9
complacent(characteristic, stupidity, foolishness)
8
empty-headed(characteristic, thoughtless, stupidity, foolishness)
8
goofy(characteristic, silly, foolish, fantastic)
8
illogical(characteristic, simple, silly, sense)
8
thoughtless(characteristic, silly, thoughtless, unwise)
8
unwise(characteristic, weak, simple, wild)
8
weak-minded(characteristic, ability, planned, stupidity)
8
dippy(characteristic, weak, simple, silly)
8
unthinking(characteristic, thoughtless, stupidity, foolishness)
7
empty(characteristic, stupidity, foolishness, ineffective)
7
cuckoo(characteristic, wrong, wild, silly)
7
dotty(characteristic, weak, simple, silly)
6
nutty(characteristic, weak, simple, wild)
6
sappy(characteristic, stupid, stupidity, foolishness)
6
childish(characteristic, stupidity, foolishness)
6
incompetent(characteristic, inadequacy, craziness)
5
useless(ridiculous, absurd, pointless, vain)
4
simple(characteristic, weak, silly, foolish)
4
irresponsible(wrong, wild, strange, silly)
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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>