DEMENTEDNESS Synonyms: 38 Similar and Opposite Words

dementedness

noun

as in obsession

Related Words

Relevance

Dissimilar Words

Example Sentences

Recent Examples of Synonyms for dementedness

Noun

Head baker Lou Turner (formerly pastry chef at Obelix, a French bistro in the city’s River North) churns out superb pastries that invite obsession.

— The Bon Appétit Staff, Bon Appetit Magazine, 24 Aug. 2026
Neece was raised 15 minutes away from Disneyland and developed an obsession with it early on.

— Emma Madden, Los Angeles Times, 21 Aug. 2026

Definition of obsession

Noun

Medical experts at the time suspected her death was caused by a brain abnormality that ruptured because of the intensity of the ride.

— Blake Ellis, CNN Money, 27 Aug. 2026
Physicians needed to decide what to do if a pregnant woman came to the ER suffering from organ failure, or carrying a fetus with a fatal abnormality.

— Literary Hub, Literary Hub, 26 Aug. 2026

Definition of abnormality

Noun

Cage plays Roy, a gifted con artist with obsessive-compulsive disorder whose tics, phobias and elaborate rituals have turned his immaculate home into a fortress against the world.

— Los Angeles Times, Los Angeles Times, 20 Aug. 2026
Turns out that the star had quite the number of phobias to conquer.

— Michelle Lee, PEOPLE, 16 July 2026

Definition of phobia

Noun

An investigation found that Batt befriended Lineman, who had senile dementia and required a live-in aide to help her with all daily activities, according to the district attorney’s office.

— Lesley Cosme Torres, People.com, 24 Apr. 2025
Patients with vascular dementia had the highest risk of contracting COVID-19 — with odds more than three times higher — followed by patients with presenile dementia, senile dementia, Alzheimer’s disease and post-traumatic dementia.

— Julie Washington, cleveland, 3 Mar. 2021

Definition of senile dementia

Noun

Based on Alaïa Jade’s public reputation and the structural unsoundness of the bell tower, Smullen thinks an accidental death is likely.

— Sophie Brookover, Vulture, 21 Nov. 2025
In looking back at the history of Emtech, the colt who suffered a catastrophic breakdown in Saturday’s eighth race, it was discovered that he was once placed on the Veterinarian’s List because of unsoundness.

— John Cherwa, Los Angeles Times, 30 Sep. 2019

Definition of unsoundness

Noun

Symptoms of postpartum psychosis can include delusions or hallucinations that can prompt suicidal or homicidal action, according to the American College of Obstetricians and Gynecologists.

— ABC News, ABC News, 28 Aug. 2026
That’s the sign of an overmatched team, and one that should be far, far away from any delusions of postseason grandeur.

— Grant Brisbee, New York Times, 25 Aug. 2026

Definition of delusion

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

demented

dementedness

dementia

See all Nearby Words

Cite this Entry

Style

“Dementedness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dementedness. Accessed 1 Sep. 2026.

Copy Citation

Synonyms of dementedness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes