What is the meaning of Mortify?

To discipline (one's body, appetites etc.) by suppressing desires; to practise abstinence on.

To injure the dignity of; to embarrass; to humiliate.

To kill.

To reduce the potency of; to nullify; to deaden, neutralize.

To kill off (living tissue etc.); to make necrotic.

To affect with vexation, chagrin, or humiliation; to humble; to depress.

To grant in mortmain.

To lose vitality.

To gangrene.

To be subdued.

Source: wiktionary.org