/ Dictionary / Index R ruthful: Meaning and Definition of Find definitions for: ruth•ful Pronunciation: (rth'ful), [key] — adj. compassionate or sorrowful. causing or apt to cause sorrow or pity. feeling remorse or self-reproach. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ruthful (Thesaurus) Rutherford scattering ruthless Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language