What does dementia mean?

Definitions for dementia
dɪˈmɛn ʃə, -ʃi əde·men·tia

Here are all the possible meanings and translations of the word dementia.

Princeton's WordNet

  1. dementia, dementedness(noun)

    mental deterioration of organic or functional origin


  1. dementia(Noun)

    A progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging. Areas particularly affected include memory, attention, judgement, language and problem solving.

  2. dementia(Noun)

    madness or insanity

Webster Dictionary

  1. Dementia(noun)

    insanity; madness; esp. that form which consists in weakness or total loss of thought and reason; mental imbecility; idiocy

  2. Origin: [L., fr. demens. See Dement.]


  1. Dementia

    Dementia is a serious loss of global cognitive ability in a previously unimpaired person, beyond what might be expected from normal ageing. It may be static, the result of a unique global brain injury, or progressive, resulting in long-term decline due to damage or disease in the body. Although dementia is far more common in the geriatric population, it can occur before the age of 65, in which case it is termed "early onset dementia". Dementia is not a single disease, but a non-specific syndrome. Affected cognitive areas can be memory, attention, language, and problem solving. Normally, symptoms must be present for at least six months to support a diagnosis. Cognitive dysfunction of shorter duration is called delirium. Especially in later stages of the condition, subjects may be disoriented in time, in place, and in person. Dementia can be classified as either reversible or irreversible, depending upon the etiology of the disease. Fewer than 10% of cases of dementia are due to causes that may be reversed with treatment.

Chambers 20th Century Dictionary

  1. Dementia

    de-men′shi-a, n. general mental enfeeblement, with loss of memory, reason, feeling, and will: often the consequence of acute mania. [L. de, neg., and mens, mentis, mind.]

U.S. National Library of Medicine

  1. Dementia

    An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to interfere with social or occupational functioning. The dysfunction is multifaceted and involves memory, behavior, personality, judgment, attention, spatial relations, language, abstract thought, and other executive functions. The intellectual decline is usually progressive, and initially spares the level of consciousness.

How to pronounce dementia?

  1. Alex
    US English

How to say dementia in sign language?

  1. dementia


  1. Chaldean Numerology

    The numerical value of dementia in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of dementia in Pythagorean Numerology is: 8

Examples of dementia in a Sentence

  1. Susan Williams:

    Lewy body dementia killed Robin.

  2. Sandra Weintraub:

    There isn't going to be one single disease that is causing all forms of dementia.

  3. Kumiko Nagata:

    Whether people with dementia can 'come out' depends on the values and culture of the community.

  4. John Campbell:

    The focus in Japan is on care - what do you do for people with dementia living in the community?

  5. Suvarna Alladi:

    One study in Toronto demonstrated that people who could speak two languages had later onset dementia.

Images & Illustrations of dementia

  1. dementiadementiadementiadementiadementia

Popularity rank by frequency of use


Translations for dementia

From our Multilingual Translation Dictionary

Get even more translations for dementia »


Find a translation for the dementia definition in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Український (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)

Discuss these dementia definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:


Use the citation below to add this definition to your bibliography:


"dementia." Definitions.net. STANDS4 LLC, 2020. Web. 24 Feb. 2020. <https://www.definitions.net/definition/dementia>.

Are we missing a good definition for dementia? Don't keep it to yourself...

Free, no signup required:

Add to Chrome

Get instant definitions for any word that hits you anywhere on the web!

Free, no signup required:

Add to Firefox

Get instant definitions for any word that hits you anywhere on the web!

Nearby & related entries:

Alternative searches for dementia:

Thanks for your vote! We truly appreciate your support.