WordNet sense 1 (expressing extreme contempt):

contemptuous, insulting, scornful

WordNet sense 2 (exhibiting lack of respect; rude and discourteous):

disrespectful

WordNet sense 3 (having or showing arrogant superiority to and disdain of those one views as unworthy):

haughty, lordly, prideful, supercilious, sniffy, swaggering

WordNet sense 4 (feeling self-respect or pleasure in something by which you measure your self-worth; or being a reason for pride):

proud