11
bats
11
deranged(adjective, silly, foolish, crazy, mad)
11
mental(adjective, silly, foolish, crazy, mad)
10
crazed(adjective, crazy, mad, odd, insane)
9
round the bend(expression, adjective, idiom, silly, foolish)
8
buggy
8
demented(adjective, silly, foolish, crazy, mad)
8
fruity(adjective, silly, foolish, mad, insane)
8
haywire
8
potty(adjective, silly, foolish, mad, insane)
8
unbalanced(adjective, silly, foolish, crazy, mad)
8
yeasty
7
bananas
7
foolish(adjective, careless, silly, stupid, trivial)
7
goofy(adjective, silly, foolish, unwise)
7
kookie
7
unhinged(adjective, silly, foolish, mad, insane)
6
certifiable
6
daffy
6
foamy(adjective, silly, bubbly)
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). barmy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/barmy/thesaurus/synonyms
ChicagoSmart Define. 2015. "barmy thesaurus" https://smartdefine.org/barmy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, barmy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/barmy/thesaurus/synonyms>.
MLASmart Define. "barmy thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/barmy/thesaurus/synonyms>