WordNet sense 1 (a passageway under a curved masonry construction):

archway

WordNet sense 2 ((used of behavior or attitude) characteristic of those who treat others with condescension):

condescending, patronizing, patronising

WordNet sense 3 (of or characteristic of high rank or importance):

superior

WordNet sense 4 (having or showing or requiring special skill):

skilled

WordNet sense 5 (form an arch or curve):

arc, curve