definition: one who practices extreme self-denial, especially of material comforts and pleasures, and especially for religious reasons.
example: He had come to see no value in material things and joined a group of ascetics.
definition 1: rigorously simple and disciplined; austere; self-denying.
example: It was necessary to adopt an ascetic lifestyle during the war.
Their new stepfather imposed an ascetic regimen on the family.
definition 2: extremely strict in religious observances involving self-denial and self-mortification.
example: The monks lead an ascetic life at the monastery.