Fading away and One foot in grave

Fading away noun - Gradually diminishing in brightness or loudness or strength.

One foot in grave and fading away are semantically related. In some cases you can use "One foot in grave" instead an adjective "Fading away".

Fading away and one foot in grave are semantically related. Sometimes you can use "Fading away" instead an adjective phrase "One foot in grave".