From Wiktionary, the free dictionary
From ultra- + pious.
ultrapious (not comparable)
- Extremely pious, overly devout or reverent.
2007 September 16, Zev Chafets, “The Missionary Mogul”, in New York Times[1]:(This led the ultrapious Rabbi Eliezer Shach to acidly define Chabad as the sect closest to Judaism.)
