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

Entertainment Weekly has an exclusive look inside Emma Heming Willis’ life with Bruce Willis amid the Die Hard star’s dementia battle. — Joey Nolfi, Entertainment Weekly, 9 Sep. 2026

Drinking green tea regularly may reduce the risk of dementia and improve brain health due to its antioxidants and anti-stress compounds. — Teresa Maalouf, Verywell Health, 9 Sep. 2026

Since expanding from theater into film, writer-director Florian Zeller has specialized in examining the pressure of mental health issues on families — dealing with dementia in The Father and depression in The Son, both based on his plays. — David Rooney, HollywoodReporter, 8 Sep. 2026

Police also pointed out a case involving a missing person from Crowley who had dementia. — Lacey Beasley, CBS News, 8 Sep. 2026