Mercilessness

//ˈmɜː(ɹ)sɪləsnəs// noun

Definitions

Noun
  1. 1
    The property of being merciless. uncountable, usually
  2. 2
    inhumaneness evidenced by an unwillingness to be kind or forgiving wordnet
  3. 3
    feelings of extreme heartlessness wordnet

Etymology

From merciless + -ness.

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