UNREASON Synonyms: 26 Similar and Opposite Words

unreason

noun

Definition of unreason

as in dementia

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Example Sentences

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Recent Examples of unreason 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

At the same time, dementia is a complex condition with many contributing factors, including genetics, presence of vascular disease, hearing loss and lifestyle habits like smoking and heavy alcohol use.

— Katia Hetter, CNN Money, 6 July 2026
This is a free, online tool developed by doctors at Massachusetts General Hospital to calculate your risks and take steps, through changes to daily habits, that can help decrease the risk of stroke, dementia, heart disease and cancer.

— Allison Aubrey, NPR, 6 July 2026

Definition of dementia

Noun

This party track introduced audiences to a version of Tito Double P that radiated a lighthearted madness — fueled by Skyy vodka and Old Parr whiskey, as per the song’s lyrics.

— Andrea Flores, Los Angeles Times, 7 July 2026
This episode does a really great job at portraying Rhaenyra’s slip toward madness or, if not madness per se, then a much more unhinged version of her former self.

— Erik Kain, Forbes.com, 6 July 2026

Definition of madness

Noun

Iraq, Canada, United Kingdom, Luxembourg, Qatar, Saudi Arabia After accidentally cursing President Saddam Hussein on stage, theater actor Salem convinces a military court of his insanity to escape a death sentence.

— Leo Barraclough, Variety, 6 July 2026
San Francisco trailed 6-1 at the time of Webb’s departure, and given Coors Field’s penchant for insanity, a comeback wasn’t out of the question.

— Justice delos Santos, Mercury News, 4 July 2026

Definition of insanity

Noun

This past month, when the entire city was in the grip of basketball mania, my eyes have felt newly refreshed by the abundance of royal blue and traffic-cone orange on the streets.

— Sheldon Pearce, New Yorker, 3 July 2026
The Knicks were actually good, breaking a 53-year-drought by winning the NBA championship and inspiring acts of passion and mania across the city.

— Alli Rosenbloom, CNN Money, 1 July 2026

Definition of mania

Noun

We are encouraged to indulge our delusions about replacement theory and white male superiority and to surrender to our instincts toward incivility and division.

— Dawn M. Turner, Chicago Tribune, 5 July 2026
As Lines’ delusions calcified, so did ChatGPT’s affirmations.

— Maggie Harrison Dupré, Futurism, 2 July 2026