Synonyms|207Antonyms|1|Broader|6Narrower|0Related|93

88 entries under noun topic. ×

3
crazy
3
cuckoo(slang, sick, patient, loony)
3
madwoman(character, loony, dissentient, lamebrain)
3
maniac(person, overenthusiastic)
2
freak(nut, fanatic, loony, oddball)
2
loco
2
madperson(character, nut, fanatic, loony)
2
nutjob(slang, sick, mad person)
2
psychotic(patient, cuckoo)
1
addict
1
ball
1
basket case(slang, sick, mad person)
1
churl
1
coo-coo(slang, sick, mad person)
1
crack-brain(slang, sick, mad person)
1
crack-skull(slang, sick, mad person)
1
crosspatch
1
egg
1
fruit-cake(slang, sick, mad person)
1
goo-goo(slang, sick, mad person)
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APASmart Define. (2015). nutcase thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nutcase/thesaurus/synonyms
ChicagoSmart Define. 2015. "nutcase thesaurus" https://smartdefine.org/nutcase/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nutcase thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nutcase/thesaurus/synonyms>.
MLASmart Define. "nutcase thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/nutcase/thesaurus/synonyms>