13 entries under loony topic. ×

7
nut(noun, crazy, mad, fanatic, lunatic)
6
crackpot(noun, character, crazy, mad, eccentric)
6
nutcase(noun, character, freak, oddball)
6
screwball(noun, nut, fanatic, freak)
3
freak(nut, fanatic, oddball, enthusiast)
3
kook(noun, person, crazy, mad, fanatic)
3
psycho(noun, mad, nut, lunatic)
1
bedlamite(character, nut, fanatic, lamebrain)
1
flake(noun, crazy, mad, freak, lunatic)
1
loon(noun, mad, nut, fanatic, lunatic)
1
madperson(character, nut, fanatic, lamebrain)
1
psychopath(noun, mad, nut, lunatic)
0
fanatic(nut, enthusiast, dingbat, ultraist)
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). fruitcake thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fruitcake/thesaurus/synonyms
ChicagoSmart Define. 2015. "fruitcake thesaurus" https://smartdefine.org/fruitcake/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fruitcake thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fruitcake/thesaurus/synonyms>.
MLASmart Define. "fruitcake thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/fruitcake/thesaurus/synonyms>