45 entries under mad person topic. ×

8
nut(noun, slang, informal, mad, sick)
7
loony(noun, slang, informal, sick, wise)
6
screwball(noun, slang, sick, wise)
5
cuckoo(noun, slang, mad, sick, wise)
5
kook(noun, slang, mad, sick, wise)
5
nutcase(noun, slang, sick, nut, fanatic)
5
psycho(noun, slang, mad, sick, patient)
4
flake(noun, slang, mad, sick, fanatic)
3
jerk(noun, simple, slang, fool, sick)
3
nutjob(noun, slang, sick)
2
nutter(noun, slang, sick)
1
basket case(noun, slang, sick)
1
coo-coo(noun, slang, sick)
1
crack-brain(noun, slang, sick)
1
crack-skull(noun, slang, sick)
1
fruit-cake(noun, slang, sick)
1
goo-goo(noun, slang, sick)
1
goof(noun, slang, sick)
1
jerk-off(noun, slang, sick)
1
knee-jerk(noun, slang, sick)
<123>
10 years ago|6.7k views|share |citing 
APASmart Define. (2016). loon thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/loon/thesaurus/synonyms
ChicagoSmart Define. 2016. "loon thesaurus" https://smartdefine.org/loon/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, loon thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/loon/thesaurus/synonyms>.
MLASmart Define. "loon thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/loon/thesaurus/synonyms>