n. The quality or state of being righteous; holiness; purity; uprightness; rectitude. Righteousness, as used in Scripture and theology, in which it chiefly occurs, is nearly equivalent to holiness, comprehending holy principles and affections of heart, and conformity of life to the divine law.n. A righteous act, or righteous quality.n. The act or conduct of one who is righteous.n. The state of being right with God; justification; the work of Christ, which is the ground justification.