1.Definition: denoting or governed by or relating to a bishop or bishops

Related Adjective(s):episcopal

2.Definition: proceeding from or ordered by or subject to a pope or the papacy regarded as the successor of the Apostles

Related Adjective(s):apostolic, apostolical, papal

3.Definition: puffed up with vanity

"Pseudo-scientific gobbledygook and pontifical hooey"

Related Adjective(s):grandiloquent, overblown, pompous, portentous