96 entries under insane topic. ×

13
nutty(adjective, weak, simple, wild, silly)
12
unintelligent(adjective, dull, weak, simple, mind)
11
loony(adjective, weak, simple, knowledge, ability)
11
lunatic(adjective, weak, simple, knowledge, ability)
9
batty(adjective, wild, silly, foolish, stupid)
9
dippy(adjective, simple, knowledge, slang, ability)
9
screwy(adjective, silly, stupid, crazy, mad)
9
wacky(adjective, weak, simple, knowledge, slang)
8
dull(adjective, simple, slow, silly, foolish)
7
dotty(adjective, weak, simple, silly, foolish)
7
nuts(adjective, wild, silly, foolish, stupid)
6
cuckoo(adjective, wrong, wild, silly, foolish)
5
balmy(adjective, simple, knowledge, slang, ability)
5
gaga(adjective, distraught, batty)
5
irresponsible(adjective, wrong, wild, strange, silly)
4
demented(adjective, wild, silly, foolish, stupid)
4
harebrained(adjective, weak, simple, knowledge, ability)
3
barmy(adjective, silly, foolish, mad, trivial)
3
bizarre(adjective, wild, strange, silly, foolish)
3
cracked(adjective, wild, silly, foolish, stupid)
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APASmart Define. (2016). idiotic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/idiotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiotic thesaurus" https://smartdefine.org/idiotic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, idiotic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/idiotic/thesaurus/synonyms>.
MLASmart Define. "idiotic thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/idiotic/thesaurus/synonyms>