mercilessness

词形变化：

副词: mercilessly | 名词: mercilessness |

同义词：

ruthless | barbaric | iron | grim | marble | violent | relentless | stony | inexpiable | cruel | hardhearted | pitiless | heartless | harsh | unforgiving | severe | unsympathetic | uncompromising | hard | unfeeling | callous | cold-blooded | unmerciful |

反义词：

merciful |