54 entries under noun topic. ×

21
lunatic(adjective, person, crazy, mad)
18
maniac(person, madness, insanity, lunatic)
14
loony(adjective, person, crazy, mad)
14
psycho(adjective, person, informal, madness)
13
crackpot(adjective, person, crazy, mad)
13
psychotic(person, informal, madness, insanity)
12
bedlamite(adjective, person, character, madness)
12
crazy(adjective, person, mad, odd)
12
kook(person, madness, insanity, lunatic)
12
psychopath(person, madness, insanity, lunatic)
10
nut(informal, lunatic)
8
screwball(adjective, lunatic)
6
madwoman(character, crazy, cuckoo, loony)
5
freak(person, madness, insanity, psycho)
5
looney(adjective, character, lunatic, dissentient)
5
madcap(person, madness, insanity, psycho)
5
nutcase(character, lunatic, loony, dissentient)
5
nutter
5
oddball(adjective, character, crazy, cuckoo)
5
raver(adjective, character, lunatic, loony)
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APASmart Define. (2015). madman thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/madman/thesaurus/synonyms
ChicagoSmart Define. 2015. "madman thesaurus" https://smartdefine.org/madman/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, madman thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/madman/thesaurus/synonyms>.
MLASmart Define. "madman thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/madman/thesaurus/synonyms>