In its simplest form, it can mean merely denying oneself certain pleasures, such as by abstaining from chocolate, meat, food generally (fasting), alcohol, or sex. It can also be practiced by choosing a simple or even impoverished lifestyle; this is often one reason many monks of various religions take vows of poverty.

What is the practice of mortification?

Mortification of the flesh is an act by which an individual or group seeks to mortify, or put to death, their sinful nature, as a part of the process of sanctification. Mortificaton of the flesh is undertaken in order to repent for sins and share in the Passion of Jesus.

What is the virtue of mortification?

Mortification can be described as the practice of being the master of one's own impulses. Sometimes, people practice exterior mortification, through physical penances like fasting. These acts are meant to prayerfully unite us to Christ, who suffered for us.