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

The additional $25 million will support the center’s focus in the care and research of complex neurological conditions, including dementia, Alzheimer’s disease, epilepsy and Parkinson’s disease. — Luisa Yanez, Miami Herald, 9 Oct. 2026

An aging parent develops dementia; illness makes recognition intermittent or apology impossible. — Literary Hub, 9 Oct. 2026

Finally, the study also found that, among all participants who eventually developed MCI or dementia, those with ADHD had worse outcomes. — Emily Kay Votruba, EverydayHealth.com, 8 Oct. 2026

Still, there’s a plausible explanation for the connection, said Elizabeth Landsverk, MD, a geriatrician with expertise in dementia. — Currie Engel, HEALTH, 6 Oct. 2026