Religious1. (a.) Of or pertaining to religion; concerned with religion; teaching, or setting forth, religion; set apart to religion; as, a religious society; a religious sect; a religious place; religious subjects, books, teachers, houses, wars.
2. (a.) Possessing, or conforming to, religion; pious; godly; as, a religious man, life, behavior, etc.
3. (a.) Scrupulously faithful or exact; strict.
4. (a.) Belonging to a religious order; bound by vows.
5. (n.) A person bound by monastic vows, or sequestered from secular concern, and devoted to a life of piety and religion; a monk or friar; a nun.
Thesaurus Entries
Christian, Christianlike, Christianly, God-fearing, Mariological, abbacomes, abbot, accurate, adoring, anthropomorphic, anthropotheistic, ascetic, attentive, awesome, awful, beadsman, believing, brother, caloyer, canonic, careful, celibate, cenobite, churchgoing, close, conscientious, constant, conventual, conventual prior, correct, cosmotheistic, critical, cultish, cultist, cultistic, deistic, delicate, demanding, detailed, devoted, devout, direct, ditheistic, divine, doctrinal, doctrinary, dutiful, ethical, even, exact, exacting, exigent, express, exquisite, faithful, fastidious, fine, finical, finicking, finicky, friar, fussy, godly, grand prior, heavenly, hermit, hieromonach, holy, honest, honorable, ineffable, inenarrable, inerrable, inerrant, inexpressible, infallible, inviolable, inviolate, just, lay abbot, lay brother, mathematical, mendicant, meticulous, micrometrically precise, microscopic, minute, monastic, monk, monotheistic, moral, narrow, nice, noble, numinous, overconscientious, overscrupulous, palmer, pantheistic, particular, physicomorphic, physicotheological, pietistic, pilgrim, pillar saint, pillarist, pinpoint, pious, polytheistic, prayerful, precise, precisianistic, precisionistic, prior, punctilious, punctual, refined, religieux, religiously exact, reverent, reverential, righteous, rigid, rigorous, sacred, sacrosanct, scientific, scientifically exact, scrupulous, scrutinizing, severe, solemn, spiritual, spiritual-minded, square, staunch, steadfast, strict, stylite, subtle, tender-conscienced, theistic, theological, tritheistic, TRUE, undeviating, unerring, unspeakable, unswerving, untouchable, unutterable, upright, venerable, venerational, venerative, virtuous, worshipful