Definitions

1. noun

A state of mental deterioration or decline in physical function, often associated with old age.

“Her grandmother’s senility had worsened over the past few years, making it difficult for her to care for herself.”

2. noun

The quality or state of being old or aged.

“The novel explored the themes of love, loss, and senility that often accompany old age.”

3. noun

A condition of mental decline, especially one that leads to dementia or Alzheimer’s disease.

“The doctor explained that her mother’s senility was likely caused by a combination of genetics and environmental factors.”