Demented — synonyms, definition

1. demented (a)

confused cracked crazed crazy daft defective delirious deranged diseased erratic ill impaired insane irrational lunatic mad maniac maniacal odd psychotic • • •

2. demented (Adjective)

brainsick disturbed sick unhinged

demented (Adjective) — Affected with madness or insanity. ex. "a man who had gone demented"

3. demented (Verb)

demented (Verb) — To deprive of reason; to make mad.