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

Amid the post-pandemic mania for luxury collectibles, Sotheby’s wine and spirits department achieved a record $132 million in sales in 2021.

— George Nelson for ArtNews, Robb Report, 9 July 2026
So much for the logo-mania that, for years, defined China’s Gen Z and millennial shoppers.

— CNN Money, CNN Money, 8 July 2026

Definition of mania

Noun

Blurring the boundaries between reality and delusion, psychological horror explores the mind in all its complexity, often leaving audiences questioning their own perceptions.

— Ryan Lattanzio, IndieWire, 8 July 2026
In one case, the Jupiter family filed a wrongful death lawsuit against Google, saying the company’s chatbot, Gemini, contributed to their son’s death by fueling severe delusions and eventually coaching him through taking his own life.

— Laurie Mermet, Sun Sentinel, 6 July 2026