How to use demented in a sentence

15 example sentences · adjective

Demented means insane; mentally ill. Example: “Ralph sometimes appears to be a magically demented sprite who has assumed the form of a boy, but he’s never been more poignantly, nakedly, movingly human than he is here.”

Examples of demented by meaning

adjectiveInsane; mentally ill.

Ralph sometimes appears to be a magically demented sprite who has assumed the form of a boy, but he’s never been more poignantly, nakedly, movingly human than he is here.2012 August 5, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “I Love Lisa” (season 4, episode 15; originally aired 02/11/1993)”, in AV...

adjectiveCrazy; ridiculous.

a demented idea
One of these new recruits is Jagger Froid, a demented alien from the Black Hole Galaxy, who dishes out punishment with a laser-sharp tongue.c. 1990, How to Play Super C (PDF) (instruction manual), Konami, page 4
In this sense, it is nothing like his later videos, defined as they are by a near-demented commitment to maximum viewer-stimulation.2025 June 3, Mark O’Connell, “‘The Mozart of the attention economy’: why MrBeast is the world’s biggest YouTube star”, in The Guardian...

More sentences with demented

I went radio rental and started battering the car horn like a demented Italian.2017, Paul Larkin, Albert, Dougie and Wim, page 156. From the entry radio rental
Also, I thought that leaving Tez penguinless might put a dent in his demented carryings-on.1989, Pilliard Dickle, “The Palace Calendar”, in The Calendar World of Pilliard Dickle: A Collection of Unique Poster Calendars, Good for…. From the entry carrying-on
Great hailstones keep dashing against my window and dancing about on the garden walks like things demented.1906, Mabel Sarah Barnes-Grundy, Hazel of Heatherland, page 213. From the entry Ophelian
In the canopy, friendly birds (not the desperate, demented scavengers that sometimes overflew the plains) chirped and laboured on their nests.2017, Hernan Diaz, In the Distance, Daunt Books (2018), page 193. From the entry overfly
Some people become demented when so affected.”1906, Transactions of the Royal Society of New Zealand, page 228. From the entry kehua
But the poor fellow was—what is it?—demented.1905, H. G. Wells, The Empire of the Ants. From the entry in one's right mind
On windy days it danced, demented, waving wild arms, or in the silence of evening drowsed and dreamed, swaying in the blue, the goldeny air.2023, Doug Battersby, Troubling Late Modernism: Ethics, Feeling, and the Novel Form, page 148. From the entry goldeny
All the other shoppers were mousepeople, too, each one a nightmarish assemblage of disparate organs, the hideous creation of some demented vivisectionist, some latter-day Dr.1987 July, Vance Aandahl, “Deathmatch In Disneyland”, in The Magazine of Fantasy & Science Fiction, volume 73, number 1 (whole 434)…. From the entry Disneyphilia
Jeff Johnson's nebbishy Blanche, for example, is a complete comic character, a demented Dorothy (a la Martin Short) who can write her way back to Kansas.1988 August 26, Lawrence Bommer, “The Book of Blanche”, in Chicago Reader. From the entry nebbishy
Did Lothair imagine that the society of those people (such as it was) existed because of their demented notions and by means of their contradictory institutions?1959, Paul Goodman, The Empire City. From the entry no such thing
We are all bored out of our minds with Brexit when a demented looking gnome is pulled out of the Ecuadorian embassy by the secret police of the deep state.2019 April 12, Suzanne Moore, “Wikileaks^([sic]) was the future once. Then it became Julian Assange”, in New Statesman, archived from the…. From the entry frabjous

Meaning of demented

adjective Insane; mentally ill.
adjective Having dementia.
adjective Crazy; ridiculous.

Full definition of demented

Questions about demented in a sentence

How do you use demented in a sentence?: Demented is used as an adjective. For example: “Ralph sometimes appears to be a magically demented sprite who has assumed the form of a boy, but he’s never been more poignantly, nakedly, movingly human than he is here.”
What is a short sentence with demented?: “a demented idea”
What does demented mean?: Demented means insane; mentally ill.

Adapted from Wiktionary: demented (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “How to use demented in a sentence.” Word.ws, https://word.ws/sentences/demented. Based on Wiktionary, CC BY-SA 4.0.