transferred and figurative. A flowing away backward or downward; decline, decay; a change from a better to a worse state.

The process of falling off from a prosperous or thriving condition; progressive decline; the condition of one who has thus fallen off or declined.

the condition of being withered; rarely concrete a withered part.

The process of falling away or declining (from a prior state of excellence, vitality, prosperity, etc.); decay; impaired or deteriorated condition.

figurative. A period of maturity (sometimes with implications of incipient decline); spec. the period of life when a person is no longer young, or…

figurative. Chiefly with reference to the period of a person's late maturity (cf. autumn, n. 3).

figurative and in extended use: decline, deterioration; the final period of something.

figurative. An intermediate condition or period; a condition before or after full development.

The condition of being or becoming worse.

Decaying condition: also = decadence, n.

figurative.

exhaustion, worn-out condition.

figurative. A state of depression or stagnation.