31 entries under loony topic. ×

4
dingbat(noun, character, slang, crazy, wise)
4
fiend(noun, person, crazy, nut, fanatic)
3
flake(noun, crazy, mad, eccentric, freak)
3
madwoman(noun, character, crazy, dissentient)
2
dement(noun, character, crazy, eccentric)
2
fanatic(noun, character, crazy, original, eccentric)
2
harebrain(noun, crazy)
2
non compos mentis(noun, expression, adjective, idiom, crazy)
1
bigot(noun, crazy, nut, fanatic, lunatic)
0
madperson(character, nut, fanatic, dissentient)
0
overenthusiastic person(noun, expression, crazy)
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APASmart Define. (2015). crackpot thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/crackpot/thesaurus/synonyms
ChicagoSmart Define. 2015. "crackpot thesaurus" https://smartdefine.org/crackpot/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, crackpot thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/crackpot/thesaurus/synonyms>.
MLASmart Define. "crackpot thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/crackpot/thesaurus/synonyms>