A person who thinks he's always right, even if he is not. Often very arrogant and commonly hated or despised by many people.
by Jafje June 6, 2007
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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.
by Jafje June 6, 2007
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