11 entries under loony topic. ×

12
crazy(fanatic, dingbat, ultraist)
9
crackpot(noun, character, crazy, eccentric, lunatic)
5
nut(noun, crazy, eccentric, fanatic, lunatic)
3
dingbat(noun, character, crazy, fanatic)
2
weirdo(noun, character, crazy, dissentient)
2
kook(noun, person, crazy, eccentric, fanatic)
2
madman(noun, character, crazy, dissentient)
1
madwoman(character, crazy, fanatic, dissentient)
1
nut case(expression, character, crazy, fanatic)
0
eccentric(character, crazy, lunatic, dissentient)
0
oddball(character, crazy, eccentric, lunatic)
11 years ago|5.1k views|share |citing 
APASmart Define. (2015). wacko thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/wacko/thesaurus/synonyms
ChicagoSmart Define. 2015. "wacko thesaurus" https://smartdefine.org/wacko/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, wacko thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/wacko/thesaurus/synonyms>.
MLASmart Define. "wacko thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/wacko/thesaurus/synonyms>