84 entries under insane topic. ×

3
illogical(adjective, wrong, silly, foolish, sense)
3
schizoid
2
ape(silly, foolish, crazy, mad)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
2
flipped out(expression, silly, foolish, crazy, mad)
2
freaked out(expression, adjective, wild, enthusiastic, silly)
2
hysterical
2
mad as a March hare(expression, idiom, silly, foolish, mad)
2
mad as a hatter(expression, adjective, idiom, silly, foolish)
2
mentally strange(expression, silly, foolish, mad)
2
nutty as fruitcake(expression, idiom, silly, foolish, mad)
2
rabid(adjective, wrong, keen, warm, passionate)
2
schizo(adjective, silly, foolish, mad)
2
screw loose(expression, silly, foolish, mad)
1
babbling
1
blithering
1
brain-sick
1
dingy(silly, foolish, mad, unwise)
1
feverish
1
raging(adjective, wrong, wild, silly, foolish)
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APASmart Define. (2015). nutty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nutty/thesaurus/synonyms
ChicagoSmart Define. 2015. "nutty thesaurus" https://smartdefine.org/nutty/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, nutty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nutty/thesaurus/synonyms>.
MLASmart Define. "nutty thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/nutty/thesaurus/synonyms>