(countable and uncountable, plural righteousnesses)
- (uncountable) 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.
- (countable) A righteous act, or righteous quality.
- The act or conduct of one who is righteous.
- (theology) The state of being right with God; justification; the work of Christ, which is the ground justification.
Middle English rightwisnes from Old English rihtwÄ«snes "justice".