supercilious
/ˌsü-pər-ˈsi-lē-əs/
adjective
coolly and patronizingly haughty
reacted to their breach of etiquette with a supercilious smile
proud arrogant haughty lordly insolent overbearing supercilious disdainful mean showing scorn for inferiors. proud may suggest an assumed superiority or loftiness. arrogant implies a claiming for oneself of more consideration or importance than is warranted.