UNREASON Synonyms: 26 Similar and Opposite Words

unreason

noun

Definition of unreason

as in dementia

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Recent Examples of unreason Reason had to triumph in all things, or else waves of unreason, of which the Muckers were a model, would insinuate themselves into daily life. — Adam Gopnik, New Yorker, 17 Aug. 2026 In that book, his characters confront the decline of American public speech—its degeneration into varieties of unreason and the proto-fascist violence that follows. — Nicholas Dames, The Atlantic, 7 Apr. 2026 For all Eggers’s dramatization of unreason, his images sit heavily onscreen awaiting something more significant than mere admiration—interpretation. — Richard Brody, The New Yorker, 23 Dec. 2024 Like many politicians, Khan is trying to reason with a maelstrom of unreason. — Peter Guest, WIRED, 26 Mar. 2024 The country has entered what can only be characterized as an age of unreason, with large swaths of its population embracing wild conspiracy theories. — Jonathan Kirshner, Foreign Affairs, 29 Jan. 2021

Recent Examples of Synonyms for unreason

Noun

Other symptoms include mild dementia that involves short-term memory loss, a lack of interest in daily activities and difficulty completing routine tasks.

— Andrea Flores, Los Angeles Times, 16 Oct. 2026
As a final demonstration of this approach’s promise, the researchers designed zinc proteases that could target proteins associated with neurological disorders, such as Alzheimer’s and frontotemporal dementia.

— ArsTechnica, ArsTechnica, 14 Oct. 2026

Definition of dementia

Noun

That sentence would have sounded like insanity a few decades ago, but in the strange world of Hollywood in the 2020s, weirder might really be better.

— Christian Zilko, IndieWire, 16 Oct. 2026
So this is just a build-up, and there is such insanity coming.

— Derek Lawrence, Entertainment Weekly, 16 Oct. 2026

Definition of insanity

Noun

In a number of wrongful death lawsuits, ChatGPT is blamed for driving users to experience harmful delusions and, in some cases, to commit suicide.

— Ashley Capoot, CNBC, 14 Oct. 2026
But a line like that also fleshes out the head-in-the-stratosphere delusions of everyone here.

— Ryan Lattanzio, IndieWire, 8 Oct. 2026