bedlamite
[noun]
Synonyms: lunatic, dement, loon, loony, madling, madman, maniac, non compos, nut, Tom o' Bedlam
[adjective]
Synonyms: insane, batty, cracked, crazy, demented, deranged, lunatic, mad, maniac, nuts

[TahlilGaran] English Synonym Dictionary ▲

bed·lam·ite (bědlə-mīt)
n.
A mentally ill person.

[TahlilGaran] American Dictionary ▲