(a) Sinful, immoral; (b) of clergy, monks, etc., and their life: not engaged in, or not fully conducive to, the serious quest for spiritual perfection [difficult to distinguish from (a)]; (c) not……

(a) Flawless, unblemished; also fig.; of persons, actions, intentions: faultless, blameless; of gold, metal: perfectly refined; of a soul: pure; of law: incorrupt; of sight, light: unobscured……