possible profanity
Synonyms|170Antonyms|7|Broader|3Narrower|0Related|32

45 entries under sick topic. ×

19
nut(noun, person, character, slang, unusual)
17
screwball(noun, person, slang, wise)
16
loony(noun, person, slang, informal)
10
psycho(noun, person, slang, mad)
7
nutcase(noun, slang, mad person)
6
cuckoo(noun, slang, mad, wise)
6
loon(noun, slang, informal, mad)
6
nutter(noun, slang, mad person)
5
flake(noun, person, slang, crazy, mad)
2
luny(noun, slang, mad person)
2
schizo(noun, 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
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)
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APASmart Define. (2015). kook thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/kook/thesaurus/synonyms
ChicagoSmart Define. 2015. "kook thesaurus" https://smartdefine.org/kook/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, kook thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/kook/thesaurus/synonyms>.
MLASmart Define. "kook thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/kook/thesaurus/synonyms>