a. [ OE. unrightwise, AS. unrihtwīs. See Un- not, and Righteous. ] [ 1913 Webster ]
1. Not righteous; evil; wicked; sinful; as, an unrighteous man. [ 1913 Webster ]
2. Contrary to law and equity; unjust; as, an unrighteous decree or sentence. [ 1913 Webster ]
-- Un*right"eous*ly, adv. -- Un*right"eous*ness, n. [ 1913 Webster ]