Synonyms of psycho

1 Syllable
mad, nuts
2 Syllables
loonier, crazed, crazier, amok, madmen, ravers, screwy, apest, aper, mental, loony, craziest, maniac, crackers, looney, crazy, madman
3 Syllables
flipped-out, psychopath, psychotic, scatterbrain, scatterbrains, nonstandard, madperson, nutcase, haywire, demented, sociopath, crazyman, crackbrained, aberrant
4 Syllables
psychopathic, sociopathic, certifiable, unbalanced
5 Syllables
psychoneurotic
6 Syllables
manic-depressive