Synonyms of crackpot

1 Syllable

nut, kook, crank

2 Syllables

flake, saphead, screwball, oddball, dement, maniac, wacko

3 Syllables

scatterbrain, insane, scatterbrains, lunatic, fruitcake, nutcase, lamebrains, lamebrain

4 Syllables

sociopathic