136 entries under insane topic. ×

6
odd(adjective, wild, silly, foolish, stupid)
6
out to lunch(expression, adjective, idiom, silly, mad)
5
distraught(adjective, wild, crazy, mad, agitated)
5
maniac(noun, adjective, crazy, mad)
5
mentally ill(expression, adjective, mad, unwell)
5
rabid(adjective, violent, wild, silly, foolish)
5
sick(adjective, enthusiastic, crazy, ill, fervent)
4
brainsick(adjective, wrong, crazy, confused)
4
crack-brained
4
dippy(adjective, silly, foolish, crazy, mad)
4
gaga(adjective, distraught, batty)
4
hysterical
4
neurotic
4
raving(adjective, wild, silly, foolish, stupid)
4
unstable(false, mad, ill, shaky)
3
bizarre(adjective, wrong, wild, silly, foolish)
3
erratic(adjective, wild, silly, foolish, crazy)
3
incongruous(adjective, false, unstable, ill, shaky)
3
schizoid
2
ape(adjective, silly, foolish, crazy, mad)
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APASmart Define. (2015). deranged thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/deranged/thesaurus/synonyms
ChicagoSmart Define. 2015. "deranged thesaurus" https://smartdefine.org/deranged/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, deranged thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/deranged/thesaurus/synonyms>.
MLASmart Define. "deranged thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/deranged/thesaurus/synonyms>