Wiktionary
n. (label en idiomatic) A condition of suffering, solitude, or impairment so extreme as to deprive one's existence of all happiness and meaning.
WordNet
n. a state of constant misery
Wikipedia
Living Death was a German heavy metal band from Velbert, whose career spanned from the early 1980s until the early 1990s.
Living Death ( lit. "Distrust Hell", also known as Possessed) is a 2009 South Korean horror film written and directed by Lee Yong-joo. The film received 248,503 admissions in South Korea.
Usage examples of "living death".
That is why this living death in which we are trapped is so terrible!
Your clutch is on his life, and you cause him to die daily a living death.
You will have no lack of water as you walk in Ithilien, but do not drink of any stream that flows from Imlad Morgul, the Valley of Living Death.
This was because Bully Ransden had issued a challenge, and because Old Nathan knew the worst that could happen to a man was to let fear cow him into a living death.