having or showing a dutiful spirit of reverence for God or an earnest wish to fulfill religious obligations.

characterized by a hypocritical concern with virtue or religious devotion; sanctimonious.

practiced or used in the name of real or pretended religious motives, or for some ostensibly good object; falsely earnest or sincere

a pious deception.

of or pertaining to religious devotion; sacred rather than secular

pious literature.

having or showing appropriate respect or regard for parents or others.

adjective

atheist , impious , irreligious , sinful , wicked

adjective

born-again , clerical , devoted , devout , divine , ecclesiastical , godly , goody-goody * , orthodox , prayerful , priestly , reverent , righteous , sacred , saintly , sanctimonious , spiritual , devotional , pietistic , pietistical , religious , canting , commendable , consecrated , dedicated , faithful , holier-than-thou , holy , hypocritical , loyal , religiose , sanctified , self-righteous , worthy