Synonyms of devout

1 Syllable
pious, priestly, deep
2 Syllables
earnest, saintly, holier, ardent, zealous, serious, old-line, sainted, holiest, churchgoing, prayerful, theistic, heartiest, faithful, profound, deistic, godlier, seraph, righteous, godly, heartfelt, heartier, hearty, deep-felt, holy, fervid, fervent
3 Syllables
religious, pietistic, dead-level, orthodox, god-fearing, intense, born-again, saintlike, angelic, godfearing, reverent, genuine, sincere, devoted, adoring, heart-and-soul, revering, worshiping, adherent, doctrinal, messianic, sincerest
4 Syllables
archangelic, goody-goody, buttoned-down, pietistical, passionate, reverential, venerating
5 Syllables
well-established