Synonyms|796Antonyms|88|Broader|3Narrower|2Related|854

45 entries under sick topic. ×

22
loony(adjective, slang, informal, wild, strange)
15
mental(adjective, slang, silly, foolish, crazy)
14
cuckoo(adjective, slang, silly, crazy, mad)
8
psycho(noun, adjective, slang, silly, crazy)
7
not all there(noun, expression, adjective, idiom, slang)
5
nut(noun, slang, mad person)
5
screwball(noun, adjective, slang, silly, mad)
4
schizo(noun, adjective, slang, silly, mad)
3
luny(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
flake(noun, slang, mad person)
1
fruit-cake(noun, slang, mad person)
1
goo-goo(noun, slang, mad person)
1
goof(noun, slang, mad person)
1
jerk(noun, slang, mad person)
1
jerk-off(noun, slang, mad person)
1
knee-jerk(noun, slang, mad person)
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APASmart Define. (2016). nuts thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nuts/thesaurus/synonyms
ChicagoSmart Define. 2016. "nuts thesaurus" https://smartdefine.org/nuts/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, nuts thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nuts/thesaurus/synonyms>.
MLASmart Define. "nuts thesaurus" 3 March 2016. Web. 21 September 2026. <https://smartdefine.org/nuts/thesaurus/synonyms>