Synonyms|254Antonyms|2|Broader|0Narrower|0Related|2

45 entries under noun topic. ×

7
mental(adjective, slang, sick, mad person)
7
nuts(adjective, slang, crazy, sick)
6
cuckoo(adjective, slang, crazy, sick)
6
loony(adjective, slang, sick, sane)
5
psycho(slang, sick, mad person)
2
luny(adjective, slang, sick, mad person)
2
schizo(adjective, slang, sick, mad person)
1
basket case(slang, sick, mad person)
1
coo-coo(slang, sick, mad person)
1
crack-brain(slang, sick, mad person)
1
crack-skull(slang, sick, mad person)
1
flake(slang, sick, mad person)
1
fruit-cake(slang, sick, mad person)
1
goo-goo(slang, sick, mad person)
1
goof(slang, sick, mad person)
1
jerk(slang, sick, mad person)
1
jerk-off(slang, sick, mad person)
1
knee-jerk(slang, sick, mad person)
1
kook(slang, sick, mad person)
1
loom(slang, sick, mad person)
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APASmart Define. (2015). not all there thesaurus. Retrieved September 30, 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 30, 2026).
HarvardSmart Define 2015, not all there thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/not_all_there/thesaurus/synonyms>.
MLASmart Define. "not all there thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/not_all_there/thesaurus/synonyms>