adj.

1. Mentally ill; insane.
2. Suffering from dementia or a loss of cognitive function.

dementedly de·ment'ed·ly adv.
dementedness de·ment'ed·ness n.

adjective

Afflicted 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, offout ofone's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad. See sane/insane.

adj

Definition: crazy, insane
Antonyms: balanced, rational, reasonable, sane, sensible

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Yet another term of disgust used to describe a malfunctioning program. The connotation in this case is that the program works as designed, but the design is bad. Said, for example, of a program that generates large numbers of meaningless error messages, implying that it is on the brink of imminent collapse. Compare wonky, brain-damaged, bozotic.

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IN BRIEF: Insane; mentally disturbed.

Did you hear the shrill, demented voices of the crowd?

Dansk (Danish)
adj. - vanvittig, forrykt

Nederlands (Dutch)
gestoord, gek, dement

Français (French)
adj. - (Méd) dément, en démence, fou, folle, insensé

Deutsch (German)
adj. - geistesgestört, verblödet

Ελληνική (Greek)
adj. - παράφρων, τρελός

Italiano (Italian)
alienato, rimbambito

Português (Portuguese)
adj. - demente

Русский (Russian)
сумасшедший, слабоумный

Español (Spanish)
adj. - demente, loco, senil

Svenska (Swedish)
adj. - sinnessjuk, vansinnig

中文（简体） (Chinese (Simplified))
发狂的, 精神错乱状态的

中文（繁體） (Chinese (Traditional))
adj. - 發狂的, 精神錯亂狀態的

한국어 (Korean)
adj. - 제 정신이 아닌, 노망든

日本語 (Japanese)
adj. - 発狂した

العربيه (Arabic)
‏(صفه) مجنون, منزعج ومهتاج بسبب القلق أو الغضب‏

עברית (Hebrew)
adj. - ‮מטורף‬

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