(a.) Lofty with pride; haughty; dictatorial; overbearing; arrogant; as, a supercilious officer\; asupercilious air; supercilious behavior.

arrogant cavalier clannish cliquish condescending contemptuous contumelious disdainful dismissive exclusive haughty high and mighty high-and-mighty highfalutin hoity-toity insolent la-di-da lofty lordly overbearing patronizing pompous pretentious scornful sneering sniffy snippy snobbish snobby snooty snotty snuffy stuck-up stuffy superior toploftical toplofty uppish uppity withering