Synonyms of unscrewed

1 Syllable
daft, mad
2 Syllables
kooky, troubled, schizzo, distraught, zonkers, batty, nutty, touched, flaky, freaky, frantic, unglued, madding, unsound, kinky
3 Syllables
erratic, unstable, insane, psychotic, unhinged, lunatic, confused, demented, deranged, eccentric, glassy-eyed, frenetic, furibund
4 Syllables
irrational, muddle-headed