The word "righteous" means to be morally good or virtuous. It refers to someone who does what is right and fair in their thoughts, actions, and behavior. Full definition
There's a subtle blast of righteous anger in this pointed drama, which finds present - day relevance in a true story that's more than 30 years old. (contactmusic.net)
I doubt he became «the most righteous man on the face of the earth» through a life of ease and comfort. (redeeminggod.com)
Also a lot of atheists are very self righteous in there thinking as well, so its not just a religious issue its a human issue. (religion.blogs.cnn.com)