61 entries under sick topic. ×

7
crazy(adjective, sane, cuckoo, queer)
7
loco(adjective, crazy, insane, sane)
7
mental(noun, adjective, slang, mad person)
7
nuts(noun, adjective, slang, crazy)
6
cuckoo(noun, adjective, slang, crazy)
6
dotty(adjective, crazy, sane, off)
6
loony(noun, adjective, slang, sane)
5
psycho(noun, slang, mad person)
4
brainsick(adjective, crazy, insane, sane)
3
crackers(adjective, crazy, sane, off)
3
distraught(adjective, crazy, sane)
3
unsound(adjective, crazy, unstable, disturbed)
2
luny(noun, adjective, slang, mad person)
2
mentally ill(expression, adjective, crazy, sane)
2
schizo(noun, adjective, slang, mad person)
1
basket case(noun, slang, mad person)
1
coo-coo(noun, slang, mad person)
1
crack-brain(noun, slang, mad person)
1
crack-skull(noun, slang, mad person)
1
crazy as a loon(expression, idiom, crazy, off)
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APASmart Define. (2015). not all there thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/not_all_there/thesaurus/synonyms
ChicagoSmart Define. 2015. "not all there thesaurus" https://smartdefine.org/not_all_there/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, not all there thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/not_all_there/thesaurus/synonyms>.
MLASmart Define. "not all there thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/not_all_there/thesaurus/synonyms>