Meaning & Definition of word "Demented"

Demented

/dɪˈmɛntɪd/

adjective:

  • 1. Driven to behave irrationally due to anger, distress, or excitement; mentally ill.
    • Example: His demented behavior during the crisis alarmed everyone in the room.
  • 2. Suffering from dementia; exhibiting symptoms of severe mental decline.
    • Example: The demented patient struggled to remember the names of his own family members.
  • 3. Extremely foolish or irrational.
    • Example: The demented scheme to rob a bank with nothing but a toy gun was quickly abandoned.

Etymology

From Latin 'dementatus', from 'de-' meaning 'from' + 'ment-' meaning 'mind'.

Common Phrases and Expressions

demented thinking:

Thought processes that are irrational or disturbed.

demented behavior:

Actions that are wildly erratic or uncontrolled.

Related Words

dementia:

A chronic or persistent disorder of the mental processes caused by brain disease or injury.

madness:

The state of being mentally ill, especially severely.

Slang Meanings of demented

Meaning: Out of one's mind.

Example Sentence: When he tried to dance on the table, everyone thought he was demented.

Meaning: Acting wildly or irresponsibly.

Example Sentence: She went full demented at the party, tackling everyone!