6
crazy(noun, adjective)
5
loony(noun, adjective)
5
weirdo(noun, character, dissentient, misfit)
3
madman(noun, character, lunatic, dissentient, misfit)
3
nocturnal
1
bedlamite(noun, character, dissentient, misfit)
1
crackpot(noun, character, dissentient, misfit)
1
crazyman(character, dissentient, misfit)
1
creep
1
deranged person(expression, character, dissentient, misfit)
1
dream walker
1
insane man(expression, character, dissentient, misfit)
1
lunatic(noun, adjective)
1
luny(noun, adjective)
1
madwoman(noun, character, dissentient, misfit)
1
night-walker
1
noctambulant
1
noctambulist
1
nutcase(character, dissentient, misfit)
1
paranoiac(noun, adjective)
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APASmart Define. (2016). looney thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/looney/thesaurus/synonyms
ChicagoSmart Define. 2016. "looney thesaurus" https://smartdefine.org/looney/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, looney thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/looney/thesaurus/synonyms>.
MLASmart Define. "looney thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/looney/thesaurus/synonyms>