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

How GLP-1s May Affect Brain Health Analyses of large patient datasets have associated GLP-1 receptor agonists with a reduced risk of cognitive impairment and dementia.

— Daniella Gray, MSNBC Newsweek, 10 Nov. 2026
Some Facebook commenters sympathized about the dementia struggle, many others expressed hope of a future business.

— Pamela McLoughlin, Hartford Courant, 10 Nov. 2026

Definition of dementia

Noun

This kind of excision, this near total erasure of the Black voice, can turn one toward madness, certainly toward bitterness.

— Los Angeles Times, Los Angeles Times, 11 Nov. 2026
From the Kahn Brothers comes a brainy comedy about fathers and sons, science and madness, and second chances.

— Patrick Hipes, Deadline, 10 Nov. 2026

Definition of madness

Noun

The decade has cemented its place as one of fashion’s most influential periods; see Love Story mania, the Tate’s current ’90s exhibition in the UK, and the next Met Gala theme.

— Bianca Kratky, Glamour, 6 Nov. 2026
This new film falls somewhere between those two in terms of full metal McDonagh-mania.

— David Fear, Rolling Stone, 6 Nov. 2026