Selfrightious
A person who thinks he's always right, even if he is not. Often very arrogant and commonly hated or despised by many people.
I don't like him, he's selfrightious.
Selfrightious
Selfrightious means to think that you are the only one that is right, everyone else is wrong.
A thing a selfrightious person would say:
'I'm right, you're wrong, I'm smart, you're dumb.'
He's selfrightious, he thinks he's always right.