2. having or showing arrogant superiority to and disdain of those one views as unworthy;
"some economists are disdainful of their colleagues in other social disciplines""haughty aristocrats""his lordly manners were offensive""walked with a prideful swagger""very sniffy about breaches of etiquette""his mother eyed my clothes with a supercilious air""shaggy supercilious camels""a more swaggering mood than usual"- W.L.Shirer