ichidan verb, intransitive verb
Describes a gradual loss of strength, vitality, or power in people, animals, institutions, or natural phenomena. Often implies a downward trend over time.
Antonyms: 栄える
祖父は年をとって体力が衰えた。
My grandfather's physical strength has declined with age.
The country's economic power is on the decline.
病気で食欲が衰えた。
His appetite weakened due to illness.