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

Roberts has been diagnosed with dementia, and his family is concerned about his well-being.

— Kansas City Star, Kansas City Star, 27 Sep. 2026
Studies have suggested that these small doses of movements have health benefits, such as improving cardiorespiratory fitness and even reducing the risks of cancer and dementia.

— Katia Hetter, CNN Money, 26 Sep. 2026

Definition of dementia

Noun

The director likens his own role on the trip to that of Bill, who is slowly driven to madness by worrying about a particular child, the class punching bag Kenneth (Olof Olingdahl).

— Lily Ford, HollywoodReporter, 29 Sep. 2026
Common sense gun regulations are the only hope for reversing this madness.

— Dan Sweeney, Sun Sentinel, 22 Sep. 2026