prideful

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” W.L.Shirer

joyful and proud especially because of triumph or success

• “rejoicing crowds filled the streets on VJ Day”
• “a triumphal success”
• “a triumphant shout”