Asceticism/əˈsetɪsɪzəm/ Definition 1 of 2Pro Tip 1/3Often Spiritual Asceticism is frequently linked with religious devotion and sacrifice. He found his faith through asceticism. Pro Tip 2/3Not Poverty Asceticism is chosen, unlike poverty, which is often involuntary. Despite her wealth, she chose an ascetic lifestyle. Pro Tip 3/3Beyond Minimalism Asceticism involves deeper sacrifice than just living with fewer belongings. His asceticism included fasting for days.