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

Several studies have also found that vaccination is associated with a lower risk of dementia and may even slow the onset of cognitive impairment. — Editorial Board, Washington Post, 3 Sep. 2026

The discovery challenges assumptions about the development of the most common form of dementia, potentially revealing new points of intervention that could slow the onset or reduce the impact of neurodegeneration. — Mike McRae 03, New Atlas, 3 Sep. 2026

Unfortunately, there’s no surefire way to prevent dementia—at least not yet. — Sukhman Rekhi, Verywell Health, 3 Sep. 2026

That’s because many of the biological changes and risk factors associated with dementia can develop years or even decades before symptoms appear, which is one reason midlife health matters, said Perlmutter. — Allison Forsyth, HEALTH, 2 Sep. 2026