ATROPHY

Atrophy

Definition: (n.) any progressive decline or failure. (v.) to waste away. Synonyms: (n.) degeneration, deterioration (v.) to waste away.

[]

In the provided video, the man, aging at an incredible rate, in turn atrophied until he was but a dry corpse.

Over the years the tree began to suffer from a deplorable atrophy. It grew weaker and weaker, until it died completely.