2
dippy
2
doltish(adjective, foolish)
2
dopey(adjective, foolish)
2
fanatic(noun, character, crazy, original, eccentric)
2
fatuous(impractical, half-baked, doomed)
2
funny
2
gaga
2
half-baked(impractical, doomed)
2
half-witted(adjective, foolish)
2
harebrain(noun, crazy, loony)
2
impractical(adjective, half-baked, doomed)
2
maverick
2
mental
2
meshuga
2
moonstruck
2
non compos mentis(noun, expression, adjective, idiom, crazy)
2
nonconformist(character, dissentient, misfit)
2
odd fellow(expression, character, dissentient, misfit)
2
original(character, dissentient, misfit)
2
outsider
11 years ago|15k views|share |citing 
APASmart Define. (2015). crackpot thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crackpot/thesaurus/synonyms
ChicagoSmart Define. 2015. "crackpot thesaurus" https://smartdefine.org/crackpot/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, crackpot thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crackpot/thesaurus/synonyms>.
MLASmart Define. "crackpot thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/crackpot/thesaurus/synonyms>