WordNet sense 1 (having or showing arrogant superiority to and disdain of those one views as unworthy):

disdainful, haughty, lordly, prideful, sniffy, swaggering

WordNet sense 2 (feeling self-respect or pleasure in something by which you measure your self-worth; or being a reason for pride):

proud

WordNet sense 3 (expressive of contempt):

sneering, snide

WordNet sense 4 (tending to (or intended to) detract or disparage):

uncomplimentary