60 entries under crazy topic. ×

13
imbecilic(adjective, characteristic, weak, simple, silly)
13
dumb(adjective, characteristic, foolish, insane)
13
irrational(adjective, characteristic, weak, simple, wrong)
11
birdbrained(adjective, characteristic, silly, foolish, stupid)
10
daft(adjective, characteristic, weak, simple, wild)
10
loony(adjective, characteristic, weak, simple, wild)
10
unreasonable(adjective, characteristic, weak, simple, silly)
9
daffy(adjective, characteristic, weak, simple, silly)
9
batty(adjective, characteristic, wild, silly, foolish)
8
unwise(adjective, characteristic, weak, simple, wild)
7
cuckoo(adjective, characteristic, wrong, wild, silly)
7
dotty(adjective, characteristic, weak, simple, silly)
6
nutty(adjective, characteristic, weak, simple, wild)
6
wild(wrong, foolish, stupid, fantastic)
4
simple(adjective, characteristic, weak, silly, foolish)
4
irresponsible(adjective, wrong, wild, strange, silly)
3
wacky(adjective, weak, simple, wild, silly)
3
thick-witted(adjective, foolish, insane)
2
demented(adjective, wrong, wild, silly, foolish)
2
foolhardy(adjective, silly, foolish, stupid)
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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>