80 entries under insane topic. ×

25
crazy(adjective, strange, mad, odd)
22
balmy(adjective, crazy, mad, odd)
20
loony(adjective, crazy, mad, odd)
20
daft(adjective, crazy, mad, odd)
18
batty(adjective, silly, foolish, crazy, mad)
18
nuts(adjective, silly, foolish, crazy, mad)
18
nutty(adjective, silly, foolish, crazy, mad)
17
mad(adjective, crazy, odd)
16
bonkers(adjective, silly, foolish, crazy, mad)
14
screwy(adjective, silly, foolish, crazy, mad)
13
kooky(adjective, silly, foolish, crazy, mad)
13
loopy(adjective, crazy, mad, odd)
13
wacky(adjective, crazy, mad, odd)
12
cracked(adjective, silly, foolish, crazy, mad)
12
cuckoo(adjective, silly, foolish, crazy, mad)
12
lunatic(adjective, crazy, mad, odd)
11
deranged(adjective, silly, foolish, crazy, mad)
11
mental(adjective, silly, foolish, crazy, mad)
10
crazed(adjective, crazy, mad, odd)
9
round the bend(expression, adjective, idiom, silly, foolish)
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). barmy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/barmy/thesaurus/synonyms
ChicagoSmart Define. 2015. "barmy thesaurus" https://smartdefine.org/barmy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, barmy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/barmy/thesaurus/synonyms>.
MLASmart Define. "barmy thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/barmy/thesaurus/synonyms>