3
batty(adjective, impractical, eccentric, half-baked, doomed)
3
blockheaded(adjective, foolish, impractical, half-baked, doomed)
3
bonkers
3
brainless(adjective, foolish, impractical, half-baked, doomed)
3
crackbrain
3
demented
3
dumb(adjective, foolish, impractical, half-baked, doomed)
3
flake(noun, crazy, mad, eccentric, freak)
3
fool(noun, fool)
3
frantic(adjective, crazy, mad, odd, insane)
3
ignorant(adjective, foolish, impractical, half-baked, doomed)
3
imbecile(noun, fool)
3
imbecilic(adjective, foolish, impractical, half-baked, doomed)
3
jackass(noun, adjective, fool, foolish)
3
ludicrous(adjective, impractical, half-baked, doomed)
3
madwoman(noun, character, crazy, loony, dissentient)
3
nitwit(noun, adjective, fool, foolish)
3
nuts
3
phrenetic(adjective, crazy, mad, odd, insane)
3
preposterous(impractical, half-baked, doomed)
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>