Synonyms of dementia

dementia

noun

di-ˈmen(t)-shə 

as in schizophrenia

a serious mental disorder that prevents one from living a safe and normal life

doctors were able to treat the patient's dementia with drugs and thus allow him to function on his own

Synonyms & Similar Words

• schizophrenia
• insanity
• hysteria
• madness
• instability
• paranoia
• mania
• rage
• psychosis
• aberration
• derangement
• lunacy
• delusion
• delirium
• neurosis
• frenzy
• irrationality
• abnormality
• obsession
• phobia
• unreasonableness
• senile dementia
• hallucinosis
• hallucination
• hypomania
• unsoundness
• monomania
• dementedness

Antonyms & Near Antonyms

• mind
• sanity
• lucidity
• rationality
• saneness
• reasonableness
• soundness
• normality
• reasonability
• rationalness

Example Sentences

Recent Examples of dementia

High systolic blood pressure in midlife has been found to increase your risk for dementia. — Maggie Ryan, Flow Space, 14 Oct. 2026

Years passed before doctors solved the mystery, first attributing the behavioral changes to frontotemporal dementia (FTD), then linking that rare condition to a genetic mutation. — The Week Us, TheWeek, 13 Oct. 2026

In October, the Book Review Book Club is reading Emma Cline’s latest, ‘Switzy,’ about a man with dementia who has decided to end his life on his own terms. — Joan Morgan, New York Times, 13 Oct. 2026

Meanwhile, those with the highest genetic susceptibility to ADHD were found to have a 35% greater risk of dementia than those with the lowest susceptibility. — Melissa Rudy, FOXNews.com, 12 Oct. 2026