66 entries under noun topic. ×

10
crazy(adjective, fanatic, loony, dingbat)
5
craze(verb, disorder, disturb, confuse)
4
nut(crazy, fanatic, patient, cuckoo)
3
crackpot(character, crazy, eccentric, loony)
3
frenzy(verb, disturb, confuse, wreck)
3
idiot(patient, cuckoo)
3
madman(character, loony, dissentient, neurotic)
3
maniac(crazy, cuckoo, lunatic, loony)
3
screwball(crazy, cuckoo, lunatic, loony)
2
fanatic(crazy, loony, dingbat, ultraist)
2
insane person(expression, idiom, person, worrier)
2
loon(fanatic, patient, cuckoo, dingbat)
2
loony(crazy, cuckoo, lunatic, lamebrain)
2
lunatic(crazy, cuckoo, loony, neurotic)
2
madperson(character, nut, dissentient, misfit)
1
bedlamite(character, crazy, eccentric, fanatic)
1
crank(crazy, loony)
1
deranged(adjective, patient, cuckoo, nutcase)
1
disquiet(verb, upset, bother, disturb)
1
fruitcake(character, fanatic, lunatic, neurotic)
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APASmart Define. (2015). dement thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dement/thesaurus/synonyms
ChicagoSmart Define. 2015. "dement thesaurus" https://smartdefine.org/dement/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, dement thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dement/thesaurus/synonyms>.
MLASmart Define. "dement thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/dement/thesaurus/synonyms>