UNMERCIFUL

Source: 566, 567

unmerciful. Unmerciful, a. cruel, severe, unconscionable

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Un‐mer″ci‐ful (?), a. Not merciful; indisposed to mercy or grace; cruel; inhuman; merciless; unkind. — Un‐mer″ci‐ful‐ly, adv. — Un‐mer″ci‐ful‐ness, n.