Definitions

1. adjective

Not showing signs of aging or mental decline.

“The professor remained unsenile well into his 80s and continued to teach with great enthusiasm.”

2. adjective

Not having the characteristics of old age.

“Despite being an unsenile 60-year-old, he still enjoyed rock climbing and extreme sports.”

3. adjective

Showing no signs of mental or physical decay.

“Her unsenile grandmother was an inspiration to the entire community with her boundless energy and vitality.”