OTHER WORDS FROM unmercifulun·mer·ci·ful·ly, adverbun·mer·ci·ful·ness, noun
How to use unmerciful in a sentence
Of course, CAIR has been demonized unmercifully by the Islamophobes.New NSA Bombshell Proves ‘Muslim’ Equals ‘Suspicious’ in America|Dean Obeidallah|July 9, 2014|DAILY BEAST
When pressed, Bedner said she likes Sarah Palin, who has "been demonized unmercifully because people are afraid of her appeal."
Every leader was killed, and every peaceful native whom the Spaniards met on their way was unmercifully treated.The Philippine Islands|John Foreman
She covered her face with her hands and sank down on the wet sod, while the rain beat upon her unmercifully.The Campfire Girls of Roselawn|Margaret Penrose
Several boys ran up, but they were all weaker than Barker, who besides was now in a towering fury, and kicked Eric unmercifully.
He stood stock-still at one end while the fellows nearest him thrashed him unmercifully with the heavy knots.
We were walking along one of the side streets, and came upon a man who was beating his horse most unmercifully.Elsie's Vacation and After Events|Martha Finley