say it: soo-pur-SIL-ee-uhs
supercilious is an adjective meaning "having or showing arrogant superiority to and disdain of those one views as unworthy". It carries 2 recorded senses.
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”
“a more swaggering mood than usual”
expressive of contempt
“curled his lip in a supercilious smile”
“spoke in a sneering jeering manner”
“makes many a sharp comparison but never a mean or snide one”
Definitions, synonyms and semantic relations for supercilious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.