prideful

adjective

1
joyful and proud especially because of triumph or success
rejoicing crowds filled the streets on VJ Day
a triumphal success
2
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

Also useful for “prideful”:Unscrambler— Rearrange the letters in “prideful”