Found 2 items, similar to mercilessness.
English → English (WordNet) Definition: mercilessness mercilessness n 1: feelings of extreme heartlessness [syn: cruelty, pitilessness, ruthlessness] 2: inhumaneness evidenced by an unwillingness to be kind or forgiving [syn: unmercifulness] [ant: mercifulness]
English → English (gcide) Definition: Mercilessness Merciless \Mer"ci*less\, a. Destitute of mercy; cruel; unsparing; -- said of animate beings, and also, figuratively, of things; as, a merciless tyrant; merciless waves. [1913 Webster] The foe is merciless, and will not pity. --Shak. [1913 Webster] Syn: Cruel; unmerciful; remorseless; ruthless; pitiless; barbarous; savage. [1913 Webster] -- Mer"ci*less*ly, adv. -- Mer"ci*less*ness, n. [1913 Webster]