Synonyms of demented in English:

demented


See definition of demented

adjective

1‘the ravings of a demented old man’

SYNONYMS

mad, insane, deranged, out of one's mind, not in one's right mind, crazed, lunatic, unbalanced, unhinged, unstable, disturbed, distracted, as mad as a hatter, as mad as a March hare, stark mad

non compos mentis

British sectionable

informal crazy, mental, off one's head, out of one's head, off one's nut, nutty, nutty as a fruitcake, off one's rocker, not right in the head, not quite right in the head, round the bend, raving mad, stark raving mad, stark staring mad, bats, batty, bonkers, cuckoo, loopy, loony, bananas, loco, dippy, screwy, with a screw loose, touched, gaga, doolally, up the pole, not all there, out to lunch, off the wall, not right upstairs, away with the fairies

British informal barmy, crackers, barking, barking mad, round the twist, off one's trolley, as daft as a brush, not the full shilling, one sandwich short of a picnic

North American informal buggy, nutsy, nutso, out of one's tree, meshuga, squirrelly, wacko, gonzo

Canadian NZ Australian informal bushed

NZ informal porangi

ANTONYMS

sane