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

Thomas Markle’s transfer to a specialized dementia-care facility These two developments involving the Duke and Duchess of Sussex come as Meghan’s father, Thomas Markle, is at the center of a horrific legal case. — Stefania Conrieri, Vanity Fair, 6 Nov. 2026

This movie about consent and dementia — and ultimately, far much more — hinges on a questionable act that provokes a hasty emotional reaction. — Los Angeles Times, 6 Nov. 2026

At the same time, DeLoach sits on the board of Mind What Matters, a nonprofit supporting Alzheimer’s and dementia caregivers. — Lauren Brown West-Rosenthal, Parents, 6 Nov. 2026

Caregivers for dementia patients, whether family members at home or employees in an institution, can face daily challenges from residents who may be uncooperative or agitated, but advocates emphasize that caregivers must stay patient and respectful. — Robert McCoppin, Chicago Tribune, 5 Nov. 2026