1. A miserable person; one sunk in the deepest distress; as a forlorn wretch
2. A worthless mortal; as a contemptible wretch
3. A person sunk in vice; as a profligate wretch
4. It is sometimes used by way of slight or ironical pity or contempt.
Poor wretch was never frighted so.
5. It is sometimes used to express tenderness; as we say, poor thing.