sickness unto death

== English == === Etymology === From the book The Sickness Unto Death (1849) by Søren Kierkegaard (1813-1855). === Noun === sickness unto death (countable and uncountable, plural sicknesses unto death) (philosophy, existentialism, Kierkegaardianism) Personal despair over the disquieting circumstances of human existence. (by extension) Despair, profound discontent, or a similar persistent debilitating malaise of the mind, spirit, or soul that produces a decline in mental, physical, or societal health and that may culminate in death or dissolution.