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Demented - Meaning, Definition & English Examples

Demented means mentally disturbed or insane, often describing irrational or wildly erratic behavior. It can also imply severe confusion or deterioration of the mind, typically due to illness or age.

demented

/dɪˈmɛntɪd/ /dɪˈmɛntɪd/

Definition:

Mentally disturbed or irrational, often due to illness or extreme stress.

Synonyms:

insane, deranged, mad, unbalanced

Part of Speech:

adjective

Antonyms:

sane, rational, lucid

Common Collocations:

demented behavior, demented laughter, demented state

Derivatives:

dementedly, dementia

Usage Tips:

Use "demented" to describe extreme irrationality, often linked to mental illness or severe distress.

Common Phrases:

driving someone demented, demented with rage

Etymology:

From Latin "dementia," meaning "madness," derived from "demens" (out of one's mind).

Examples:

  • 1. The old man's demented ramblings frightened the children.
  • 2. She laughed in a demented way that sent chills down my spine.
  • 3. The villain's demented plan made no sense to anyone else.
  • 4. His demented obsession with revenge consumed him entirely.

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