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

Some sympathized about the dementia struggle, many others expressed hope of a future business. — Pamela McLoughlin, Hartford Courant, 3 Nov. 2026

This is a movie about selective memory, centered on a fortysomething film director named Shinpei (Kato Shinsuke) whose career has been prematurely halted by early-onset dementia. — Katie Rife, IndieWire, 2 Nov. 2026

Today, Alzheimer’s afflicts roughly one in nine Americans over sixty-five and, along with related dementias, has been estimated to cost the economy about three-quarters of a trillion dollars a year. — Manvir Singh, New Yorker, 2 Nov. 2026

Those services helped Ron Patrick, who spent years caring for his wife, Vangie, as her health declined, her knees failed, her falls increased and dementia set in. — Raginee Sudhir Chaurey, CNN Money, 1 Nov. 2026