67 entries under crazy topic. ×

3
daffy(adjective, weak, simple, silly, foolish)
3
daft(adjective, weak, simple, wild, silly)
3
imprudent(adjective, weak, simple, careless, wild)
3
incautious(adjective, weak, simple, careless, wild)
3
inconsiderate(adjective, wild, silly, thoughtless)
3
stupid(adjective, weak, simple, wild, silly)
3
zany(adjective, weak, simple, knowledge, ability)
2
asinine(adjective, weak, simple, careless, foolish)
2
cockamamie(adjective, weak, great, simple, extraordinary)
2
dotty(adjective, weak, simple, silly, foolish)
2
imbecilic(adjective, weak, simple, knowledge, ability)
2
irrational(adjective, weak, simple, careless, wild)
2
kooky(adjective, weak, great, simple, extraordinary)
2
lunatic(adjective, weak, simple, knowledge, ability)
2
moronic(adjective, weak, simple, knowledge, ability)
2
potty(adjective, wild, silly, foolish, stupid)
1
batty(adjective, keen, warm, slow, wild)
1
brash(careless, wild, silly, thoughtless)
1
cracked(adjective, wild, silly, foolish, stupid)
1
deranged(adjective, wild, silly, foolish, stupid)
11 years ago|16k views|share |citing 
APASmart Define. (2015). harebrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, harebrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>.
MLASmart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms>