説明中心

demented

[dɪˈmɛntɪd]

demented Definition

  • 1suffering from dementia, a chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.
  • 2informal: driven to behave irrationally due to anger, distress, or excitement.

Using demented: Examples

Take a moment to familiarize yourself with how "demented" can be used in various situations through the following examples!

  • Example

    The old man was demented and couldn't remember his own name.

  • Example

    She became demented with grief after her husband died.

  • Example

    The demented killer was finally caught by the police.

demented Synonyms and Antonyms

Synonyms for demented

Antonyms for demented

Phrases with demented

  • a loud, uncontrollable, and often manic laughter that is associated with insanity or madness.

    Example

    The sound of demented laughter echoed through the abandoned asylum.

  • actions or conduct that are irrational, bizarre, or indicative of mental illness.

    Example

    The patient exhibited demented behavior, such as talking to imaginary people and refusing to eat.

  • demented ravings

    incoherent and nonsensical speech or utterances that are characteristic of someone who is insane or delirious.

    Example

    The demented ravings of the cult leader frightened his followers.

Origins of demented

from Latin 'dementare', meaning 'to drive mad'

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Summary: demented in Brief

The term 'demented' [dɪˈmɛntɪd] describes someone who is suffering from dementia, a chronic disorder of the mental processes caused by brain disease or injury. It can also be used informally to describe someone who is driven to behave irrationally due to anger, distress, or excitement. Examples include 'The old man was demented and couldn't remember his own name.' and 'The demented killer was finally caught by the police.' Phrases like 'demented laughter' and 'demented behavior' further illustrate the irrationality and madness associated with the term.

How do native speakers use this expression?