77 entries under mad topic. ×

11
kooky(adjective, silly, foolish, crazy)
11
touched(adjective, silly, foolish, crazy)
10
fruity(adjective, slang, informal, silly, foolish)
10
mental(adjective, simple, silly, foolish)
9
round the bend(expression, adjective, idiom, silly, foolish)
9
unhinged(adjective, silly, crazy, insane)
8
of unsound mind(expression, adjective, idiom, silly)
7
crazed(adjective, wild, silly, foolish, crazy)
7
dippy(adjective, slang, crazy)
7
potty(adjective, silly, foolish, insane)
6
maniacal(adjective, silly, crazy, insane)
6
out to lunch(expression, adjective, idiom, silly)
5
moonstruck(adjective, silly, foolish, insane)
4
eccentric(adjective, silly, foolish, crazy)
3
cockamamie(adjective, slang, crazy)
3
flaky(adjective, simple, silly, foolish, crazy)
3
foolish(adjective, simple, silly, crazy)
3
psycho(silly, foolish, crazy, insane)
3
screwball(adjective, silly, foolish, crazy)
3
silly(adjective, simple, foolish, crazy)
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APASmart Define. (2015). bonkers thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/bonkers/thesaurus/synonyms
ChicagoSmart Define. 2015. "bonkers thesaurus" https://smartdefine.org/bonkers/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, bonkers thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/bonkers/thesaurus/synonyms>.
MLASmart Define. "bonkers thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/bonkers/thesaurus/synonyms>