pious

1 firm in one's allegiance to someone or something a pious supporter of his school's athletic teams, during winning and losing seasons alike Synonyms constant, dedicated, devoted, devout, down-the-line, fast, good, loyal, faithful, staunch (also stanch), steadfast, steady, true, true-blueRelated Words dependable, dutiful, reliable, responsible, solid, tried, tried-and-true, trustworthy, trusty; unfaltering, unhesitating, unwavering; determined, intent, resolute; confirmed, dyed-in-the-wool, inveterate, sworn; ardent, avid, enthusiastic, fervent, fervid, gung ho, impassioned, passionate, seriousNear Antonyms irresponsible, undependable, unreliable, untrustworthy; faltering, hesitant, vacillating, wavering; dubious, irresolute, shaky, uncertain; apathetic, dispassionate, uninterestedAntonyms disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, unfaithful, untrue

2 showing a devotion to God and to a life of virtue a pious woman who decided to become a nun Synonyms devout, godly, holy, religious, sainted, saintlyRelated Words ascetic (also ascetical), prayerful, reverent, reverential, spiritual, worshipful; pietistic, religiose; beatified, blessed (also blest), canonized, venerable; angelic (or angelical), cherubic; chaste, moral, pure, righteous, upright, virtuousNear Antonyms blasphemous, desecrating, irreverent, profanatory, profane, sacrilegious; nonreligious, secular, unspiritual, worldly; backsliding, unfaithful; black, evil, immoral, iniquitous, miscreant, sinful, sinning, unrighteous, wickedAntonyms antireligious, faithless, godless, impious, irreligious, ungodly, unholy