demented
Americanadjective
-
crazy; insane; mad.
- Synonyms:
- unbalanced, deranged, crazed, lunatic
-
affected with dementia.
adjective
Other Word Forms
- dementedly adverb
- dementedness noun
- half-demented adjective
- semidemented adjective
Etymology
Origin of demented
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Doug feverishly bangs out a script and Griff, who plans to star in the remake, calls it “a masterpiece,” though the demented glint in Mr. Black’s eyes assures us it’s anything but.
From The Wall Street Journal • Dec. 24, 2025
During his early career, Shepard savaged Vietnam-era conservatism, preferring the hippie vibe of the Bay Area to what he called the “sprawling, demented snake of L.A. to the south.”
From Los Angeles Times • Nov. 4, 2025
Sam Neill stars in “Madness” as an insurance investigator who, sent to find a missing, bestselling horror author, ends up stumbling into the demented New England small town of the author’s books.
From The Wall Street Journal • Oct. 29, 2025
“I just like to soak it in and regurgitate it in my own demented way,” he says.
From Los Angeles Times • Aug. 29, 2025
There isn’t enough coal to cook the dinner, the water isn’t boiling anymore and she says she’s demented with worry.
From "Angela's Ashes: A Memoir" by Frank McCourt
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
