Ascetic

1. (a.) Extremely rigid in self-denial and devotion; austere; severe.

2. (n.) 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.

Thesaurus Entries

Albigensian, Apostolic, Apostolici, Catharist, Diogenes, Encratic, Encratite, Franciscan, Hieronymian, Hieronymite, Lenten, Pythagorean, Pythagorist, Rechabite, Sabbatarian, Shaker, Spartan, Stoic, Timon of Athens, Trappist, Waldensian, abbacomes, abbot, abstainer, abstemious, abstinent, anchoress, anchorite, anchoritic, apologetic, astringent, atoning, austere, bald, banian, bare, beadsman, bedridden invalid, bhikshu, brother, caloyer, candid, celibate, cenobite, chaste, cleansing, cloistered monk, closet cynic, common, commonplace, compensational, compensatory, continent, conventual, conventual prior, dervish, desert fathers, desert saints, direct, disciplined, dry, dull, dwarfed, dwarfish, eremite, eremitic, exiguous, expiatory, fakir, flagellant, forbearing, frank, friar, frugal, fruitarian, grand prior, gymnosophist, hermit, hermitess, hieromonach, homebody, homely, homespun, hydropot, impoverished, invalid, isolationist, jejune, lay abbot, lay brother, lean, limited, loner, lustral, lustrational, lustrative, marabout, matter-of-fact, meager, mean, mendicant, miserly, monastic, monk, mortified, narrow, natural, neat, nephalist, nephalistic, niggardly, on the wagon, open, outcast, palmer, paltry, pariah, parsimonious, penitential, piacular, pilgrim, pillar saint, pillarist, plain, plain-speaking, plain-spoken, poor, prior, propitiatory, prosaic, prosing, prosy, puny, pure, purgative, purgatorial, purifying, puritan, puritanical, reclamatory, recluse, recompensing, redeeming, redemptive, redressing, religieux, religious, reparative, reparatory, repentant, repenting, restitutional, restitutive, restitutory, restrained, righting, rigoristic, rustic, sannyasi, satisfactional, scant, scanty, schooled, scrawny, scrimp, scrimpy, seclusionist, self-abasing, self-abnegating, self-denying, self-forgetful, selfless, severe, sexually abstinent, shut-in, simple, simple-speaking, skimp, skimpy, slender, slight, slim, small, sober, solitaire, solitary, solitudinarian, spare, sparing, squaring, stark, starvation, stay-at-home, stern, stingy, stinted, straightforward, straitened, stunted, stylite, subsistence, sworn off, teetotal, teetotaler, teetotalist, thin, trained, unadorned, unaffected, unimaginative, unnourishing, unnutritious, unpoetical, unvarnished, vegetarian, water-drinker, watered, watery, wedded to poverty, yogi, yogin