Noun: ruthlessness rooth-lus-nus
- Mercilessness characterized by a lack of pity
"Her ruthlessness in business dealings earned her both wealth and enemies";
- pitilessness
- Feelings of extreme heartlessness
"Her ruthlessness in climbing the corporate ladder was legendary";
- cruelty, mercilessness, pitilessness
Type of: coldheartedness, hardheartedness, heartlessness, mercilessness, unmercifulness