demented

adjective
de·​ment·​ed | \ di-ˈmen-təd How to pronounce demented (audio) \

Definition of demented

1 : mad, insane The advertising campaign for the movie version is trying to sell it as a prankish comedy, with the eccentric aunt who appears from nowhere as a demented Mary Poppins.— Pauline Kael … the violence was instigated directly by Serbian nationalists in Bosnia and in Belgrade as part of their demented project to separate the two intermixed ethnic communities once and for all,— Charles Simic
2 : suffering from or exhibiting cognitive dementia At least one-third of people serving as caregivers for a demented husband or wife become chronically depressed.— Bennett D. Gurian

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Other Words from demented

dementedly adverb
dementedness noun

Synonyms & Antonyms for demented

Synonyms

balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, cuckoo, daffy, daft, deranged, fruity [slang], gaga, haywire, insane, kooky (also kookie), loco [slang], loony (also looney), loony tunes (or looney tunes), lunatic, mad, maniacal (also maniac), mental, meshuga (or meshugge), moonstruck, non compos mentis, nuts, nutty, psycho, psychotic, scatty [chiefly British], screwy, unbalanced, unhinged, unsound, wacko (also whacko), wacky (also whacky), wud [chiefly Scottish]

Antonyms

balanced, compos mentis, sane, sound, uncrazy

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Examples of demented in a Sentence

Many of the patients there were demented. In the movie, he plays a demented man trying to survive on the streets of Los Angeles. Her demented ramblings are a symptom of her illness. He gave me a demented little smile. parents who are almost demented with worry
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Recent Examples on the Web

The movie is every bit as demented and bizarre as that task. Mark Feeney, BostonGlobe.com, "Harvard Film Archive floats some boats with 2019 overnight movie marathon," 22 Aug. 2019 The sprawling estate itself, a representation of exclusionary greed, rips at her flesh, and though bloodied and battered by this bloodsport, her sheer survival is due to her resistance against the gaping maw of the demented tradition. Katie Walsh, San Diego Union-Tribune, "Review: ‘Ready or Not’ sacrifices horror for irony and laughs to skewer the 1 percent," 22 Aug. 2019 Kirill Petrenko elicited a kind of crystalline menace from his orchestra; Marlis Petersen sang with disconcerting beauty and purity of tone, undermining the standard picture of the character as a demented femme fatale. Alex Ross, The New Yorker, "The Endless, Grisly Fascination of Richard Strauss’s “Salome”," 21 Aug. 2019 The sprawling estate itself, a representation of exclusionary greed, rips at her flesh, and though bloodied and battered by this bloodsport, her sheer survival is due to her resistance against the gaping maw of the demented tradition. Katie Walsh, Los Angeles Times, "Review: ‘Ready or Not’ sacrifices horror for irony and laughs to skewer the 1 percent," 19 Aug. 2019 Though bloodied and battered by this blood sport, her sheer survival is her resistance against the gaping maws of the demented tradition. Katie Walsh, Detroit Free Press, "‘Ready or Not’ is too snarky to be scary," 19 Aug. 2019 Then Ronaldo scratches his head, and is handed a booking, before chillingly putting on a demented smile and uttering the phrase himself. SI.com, "Cristiano Ronaldo Stars in Nightmareish Advert for Asian Shopping Site and No-One Can Explain Why," 16 Aug. 2019 Suddenly, Seymour… and Audrey… and demented dentist Orin… are heading back to the stage in an Off Broadway Little Shop of Horrors revival. Joey Nolfi, EW.com, "Jonathan Groff to lead Off Broadway revival of Little Shop of Horrors," 22 July 2019 Apart from one mostly unscary moment involving McAvoy’s Bill trapped in a circus maze of mirrors, the new trailer doesn’t do much more than display the cast’s fear alongside glimpses of the ever-demented Pennywise. Aja Romano, Vox, "Watch: It Chapter Two returns with an eerie new trailer," 18 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demented.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of demented

1632, in the meaning defined at sense 1

History and Etymology for demented

see dementia

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Statistics for demented

Last Updated

7 Sep 2019

Look-up Popularity

Time Traveler for demented

The first known use of demented was in 1632

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More Definitions for demented

demented

adjective

English Language Learners Definition of demented

: not able to think clearly or to understand what is real and what is not real : crazy or insane

demented

adjective
de·​ment·​ed | \ di-ˈmen-təd How to pronounce demented (audio) \

Kids Definition of demented

demented

adjective
de·​ment·​ed | \ di-ˈment-əd How to pronounce demented (audio) \

Medical Definition of demented

: suffering from or exhibiting cognitive dementia

Other Words from demented

dementedly adverb
dementedness noun

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More from Merriam-Webster on demented

Rhyming Dictionary: Words that rhyme with demented

Thesaurus: All synonyms and antonyms for demented

Spanish Central: Translation of demented

Nglish: Translation of demented for Spanish Speakers

Britannica English: Translation of demented for Arabic Speakers

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