Answer:
"Righteous" is used as an adjective to describe a noun that appears to be "morally right" or "fine and genuine." "Righteous anger" is to have strong feelings of anger when you think a situation is not morally right or unfair.
Although "righteous" in the Biblical context is usually a positive word, meaning someone who does right, it can also have a negative connotation, suggesting one who is hypocritical or lacking in compassion or both. In the compound "self-righteous" always has this negative connotation.
"Righteouse" is a rising recording artist whose real name is Harry A McRae.