Synonyms|355Antonyms|59|Broader|13Narrower|95Related|705

120 entries under insane topic. ×

4
basket case(noun, bad, slang, mad, ill)
4
batty(adjective, bad, silly, foolish, crazy)
4
haywire(adjective, bad, crazy, mad, ill)
4
jerk(noun, bad, slang, mad, ill)
4
knee-jerk(noun, bad, slang, mad, ill)
4
screwy(adjective, bad, silly, foolish, crazy)
4
trainwreck(noun, bad, slang, mad, ill)
4
wacko(noun, adjective, bad, mad, ill)
4
wacky(adjective, strange, silly, foolish, crazy)
3
loom(noun, bad, slang, mad, ill)
3
brain-sick(adjective, bad, mad, ill)
3
coo-coo(noun, bad, slang, mad, ill)
3
crack-brain(noun, bad, slang, mad, ill)
3
crack-brained(adjective, bad, mad, ill)
3
crack-skull(noun, bad, slang, mad, ill)
3
fruit-cake(noun, bad, slang, mad, ill)
3
goo-goo(noun, bad, slang, mad, ill)
3
goof(noun, bad, slang, mad, ill)
3
mishoogeh(noun, bad, slang, mad, ill)
3
mishugah(noun, bad, slang, mad, ill)
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APASmart Define. (2015). psycho thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/psycho/thesaurus/synonyms
ChicagoSmart Define. 2015. "psycho thesaurus" https://smartdefine.org/psycho/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, psycho thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/psycho/thesaurus/synonyms>.
MLASmart Define. "psycho thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/psycho/thesaurus/synonyms>