50 entries under slang topic. ×

19
nut(noun, person, crazy, sick)
15
loony(noun, adjective, informal, wild)
13
kook(noun, person, sick, wise)
13
nutcase(noun, sick, fanatic, loony)
11
weirdo(noun, person, character, crazy)
10
cuckoo(noun, adjective, silly, crazy)
8
nutter(noun, sick, mad person)
7
kooky(adjective, silly, foolish, crazy)
6
ding-a-ling(noun, wise, crackpot)
6
loon(noun, informal, sick, wise)
6
nuts(noun, adjective, silly, mad)
6
psycho(noun, silly, mad, sick)
5
dingbat(noun, person, wise, crackpot)
5
weirdie(noun, wise)
4
flake(noun, crazy, sick, fanatic)
4
nutjob(noun, sick, mad person)
3
mental(noun, adjective, silly, mad)
3
schizo(noun, silly, foolish, mad)
2
goof(noun, person, sick, mad person)
2
luny(noun, sick, mad person)
<123>
11 years ago|13k views|share |citing 
APASmart Define. (2015). screwball thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>