pontifical UK /pɒnˈtɪfɪk(ə)l/US /pɑnˈtɪfɪk(ə)l/adjective 7noun 1forms 3 adjective7 •Of or pertaining to a pontiff. •Of or pertaining to a bishop; episcopal. •Of or pertaining to a pope; papal. •Of or pertaining to the pontifices of Ancient Rome. •Pompous, dignified or dogmatic. •Splendid; magnificent. •(literary) Of or relating to the building or forming of bridges.Now had they brought the work by wondrous art / Pontifical, a ridge of pendent rock / Over the vexed abyss. — 1667 noun1 •A book containing the offices, or formulas, used by a pontiff.If the editio princeps was an attempt to create an authoritative version of the pontifical, such was not yet attainable. — 2007 formspontificals · more pontifical · most pontifical