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

Alzheimer’s disease, which accounts for 60 to 80 percent of dementia cases, can progress through three main stages.

— Richard Sima, Washington Post, 21 July 2026
Butter and Margarine Findings presented at Nutrition 2023 showed that people who consumed more than half a tablespoon of olive oil a day had a 28% lower risk of dying from dementia than peers who rarely used it.

— Samantha Agate, Miami Herald, 21 July 2026

Definition of dementia

Noun

Colt did not have any signs of insanity, schizophrenia or bipolar disorder, Richards said.

— Danya Gainor, CNN Money, 28 July 2026
This case involved a client who, after years of competency litigation, was found not guilty by reason of insanity and committed to a state forensic hospital.

— Schnelle Tonge, Sun Sentinel, 16 July 2026

Definition of insanity

Noun

Since time immemorial, demand has also fueled market manias or bubbles, as evidenced by the Tulip Mania of the 17th-century Dutch Golden Age, the South Sea Bubble of 1720 and the pump-and-dump schemes of the Roaring Twenties.

— David Capablanca, Forbes.com, 27 July 2026
It’s been a little more than a week since a stout, scrappy raccoon captured the internet's heart, and Jimothy mania is showing no signs of slowing down.

— Drew Pittock, USA Today, 25 July 2026

Definition of mania

Noun

The 29-year-old Christian Faith Madison died after walking into traffic, with her family arguing that the OpenAI chatbot had fueled her religious delusions during their extensive interactions, pushing her over the edge by romanticizing death.

— Frank Landymore, Futurism, 23 July 2026
The delusion is painful to watch, but the greater tragedy is that his proximity to this staggering wealth insures his and Lindsay’s misery.

— Inkoo Kang, New Yorker, 22 July 2026