/ Dictionary / Index R righteousness: Meaning and Definition of Find definitions for: right•eous•ness Pronunciation: (rī'chus-nis), [key] — n. the quality or state of being righteous. righteous conduct. the quality or state of being just or rightful: They came to realize the righteousness of her position on the matter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: righteousness (Thesaurus) righteous righter Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language