Definitions

1. verb

to become or grow old; to undergo the natural process of aging

“The trees began to senesce and lose their vibrant colors as the seasons changed.”

2. verb

to decline or deteriorate in health, strength, or quality

“The athlete’s skills began to senesce as he grew older and less active.”

3. noun

the process of growing old or undergoing the natural process of aging

“The doctor studied the effects of senesce on the human body.”