1. the condition of being senile; mental deterioration associated with old age
Usage: medical/clinical context

Examples

• The family was concerned about their grandfather’s increasing senility.
• Early signs of senility include memory loss and confusion.
• The doctor explained that senility is not an inevitable part of aging.
• She worried that her forgetfulness was a sign of senility.
• Modern medicine has better treatments for conditions once simply called senility.
• The nursing home specializes in caring for patients with senility.