Definitions of mercilessness
  1. noun
    feelings of extreme heartlessness
    synonyms: cruelty, pitilessness, ruthlessness
    see moresee less
    type of:
    coldheartedness, hardheartedness, heartlessness
    an absence of concern for the welfare of others
  2. noun
    inhumaneness evidenced by an unwillingness to be kind or forgiving
    synonyms: unmercifulness
    see moresee less
    mercifulness, mercy
    a disposition to be kind and forgiving
    pitilessness, ruthlessness
    mercilessness characterized by a lack of pity
    inexorability, inexorableness, relentlessness
    mercilessness characterized by an unwillingness to relent or let up
    type of:
    inhumaneness, inhumanity
    the quality of lacking compassion or consideration for others
Word Family