1) Christian term 
Total depravity (also called radical corruption, or pervasive depravity), is a theological doctrine derived from the Augustinian concept of original sin. It is the teaching that, as a consequence of the Fall of Man, every person born into the world is enslaved to the service of sin and, apart from the efficacious or prevenient grace of God, is utt...
A doctrine associated with John Calvin's doctrine of Infant Damnation and Saint Augustine's and Sain
[n] - the Calvinist doctrine that everyone is born in a state of corruption as a result of original sin
total depravity 1. The Calvinist doctrine that everyone is born in a state of corruption as a result of original sin. 2. The doctrine, primarily held by conservative Christians, that every part of a person has been hopelessly damaged by sin.
noun the Calvinist doctrine that everyone is born in a state of corruption as a result of original sin