Akademik

mercilessness
noun
1. feelings of extreme heartlessness
Syn: ↑cruelty, ↑pitilessness, ↑ruthlessness
Derivationally related forms: ↑ruthless (for: ↑ruthlessness), ↑pitiless (for: ↑pitilessness), ↑merciless
Hypernyms: ↑heartlessness, ↑coldheartedness, ↑hardheartedness
2. inhumaneness evidenced by an unwillingness to be kind or forgiving
Syn: ↑unmercifulness
Ant: ↑mercifulness
Derivationally related forms: ↑unmerciful (for: ↑unmercifulness), ↑merciless
Hypernyms: ↑inhumaneness, ↑inhumanity
Hyponyms: ↑pitilessness, ↑ruthlessness, ↑relentlessness, ↑inexorability, ↑inexorableness

Useful english dictionary. 2012.