demented

de·ment·ed

D0120100 (dĭ-mĕn′tĭd)adj.1. Suffering from dementia.2. Informal Crazy or foolish.

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de·ment′ed·ly adv.de·ment′ed·ness n.

demented

(dɪˈmɛntɪd) adj (Psychiatry) mad; insane deˈmentedly adv deˈmentedness n

de•ment•ed

(dɪˈmɛn tɪd)

adj. 1. crazy; insane; mad. 2. affected with dementia. [1635–45] de•ment′ed•ly, adv. de•ment′ed•ness, n.

Thesaurus

Adj.

1.

demented - affected with madness or insanity; "a man who had gone mad"brainsick, crazy, unhinged, unbalanced, mad, sick, disturbedinsane - afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter"

demented

adjective mad, crazy, foolish, daft (informal), frenzied, distraught, manic, insane, crazed, lunatic, unbalanced, deranged, idiotic, unhinged, dotty (slang, chiefly Brit.), loopy (informal), crackpot (informal), out to lunch (informal), barking mad (slang), barking (slang), maniacal, gonzo (slang), doolally (slang), off your trolley (slang), up the pole (informal), non compos mentis (Latin), not the full shilling (informal), crackbrained, wacko or whacko (slang) Her warnings were dismissed as the ramblings of a demented old woman.
sane, sound, normal, reasonable, sensible, rational, all there (informal), lucid, compos mentis (Latin), in your right mind

demented

adjectiveAfflicted with or exhibiting irrationality and mental unsoundness:brainsick, crazy, daft, disordered, distraught, dotty, insane, lunatic, mad, maniac, maniacal, mentally ill, moonstruck, off, touched, unbalanced, unsound, wrong.Informal: bonkers, cracked, daffy, gaga, loony.Slang: bananas, batty, buggy, cuckoo, fruity, loco, nuts, nutty, screwy, wacky.Chiefly British: crackers.Law: non compos mentis.Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad.

Translations

démentdemente