Extremely rigid in self-denial and devotions; austere; severe.
In the early church, one who devoted himself to a solitary and contemplative life, characterized by devotion, extreme self-denial, and self-mortification; a hermit; a recluse; hence, one who practices extreme rigor and self-denial in religious things.
I fall into that nebulous, quote-unquote, normal American woman size that legions of fashion stylists detest. For the record, I'm a size 8 - this week, anyway. Many stylists hate that size because I think to them, it shows that I lack the discipline to be an ascetic; or the confident, sassy abandon to be a total fatty hedonist. Mindy Kaling
Religions, which condemn the pleasures of sense, drive men to seek the pleasures of power. Throughout history power has been the vice of the ascetic. Bertrand Russell
I love my work with a frenetic and perverse love, as an ascetic loves the hair shirt which scratches his belly. Gustave Flaubert
A commercial society whose members are essentially ascetic and indifferent in social ritual has to be provided with blueprints and specifications for evoking the right tone for every occasion. Marshall McLuhan
Mother Teresa was the very embodiment of saintliness: white-clad, sad-eyed, ascetic and often photographed with the wretched of the earth. Steven Pinker