6 entries under madcap topic. ×

9
foolish(adjective, silly, crazy, zany, wacky)
7
crazy(adjective, silly, foolish, zany, wacky)
5
nutty(adjective, silly, foolish, crazy, zany)
3
wacky(adjective, silly, crazy, funny, zany)
2
loony(adjective, silly, foolish, crazy, zany)
0
eccentric(adjective, silly, foolish, crazy, zany)
13 years ago|2.7k views|share |citing 
APASmart Define. (2013). hare-brained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hare-brained/thesaurus/synonyms
ChicagoSmart Define. 2013. "hare-brained thesaurus" https://smartdefine.org/hare-brained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, hare-brained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hare-brained/thesaurus/synonyms>.
MLASmart Define. "hare-brained thesaurus" 19 May 2013. Web. 22 September 2026. <https://smartdefine.org/hare-brained/thesaurus/synonyms>