ultramontane adjective 2noun 1forms 3 adjective2 •From the other side of a mountain range, particularly the Alps.He was slenderly provided with means for his ultramontane journey; and he resolved to save all he could in Italy, that he might not be restricted when among foreigners. — 1835 •Promoting the supremacy of the Pope.It was by becoming a Catholic that I pacified the Vendee, and a Mussulman that I established myself in Egypt; it was by becoming ultramontane that I won over public opinion in Italy. — 1910 noun1 •Someone who holds to the supremacy of the Pope over the secular and ecclesiastical worlds formsultramontanes · more ultramontane · most ultramontane