Pious – adjective -deeply religious; devoted to a particular religion; falsely appearing to be good or moral via merriam-webster.com
Encountered in the short story “Young Goodman Brown” by Nathaniel Hawthorne, paragraph forty-seven.
“Once the listener fancied that he could distinguish the accents of t owns – people of his own, men and women, both pious and ungodly, many of whom he had met at the communion table, and had seen others rioting at the tavern.” – Narrator