having or showing no pity or compassion for others; merciless


US English

UK English

Part of speech



merciless, heartless, cruel, pitiless, uncompassionate, unsympathetic, callous, indifferent, inhuman


merciful, compassionate, kind, humane, sympathetic, soft-hearted, tenderhearted, warmhearted

Example sentences

  • The ruthless dictator was known for his violent crackdown on political opposition.
  • The ruthless killer showed no remorse for his actions.
  • The ruthless businessman would do anything to make a profit, even if it meant hurting others.


The word “ruthless” is often used to describe people who show no empathy or mercy towards others, especially in the context of business, politics, or crime. It implies a lack of compassion and a willingness to use extreme measures to achieve one’s goals. It can also be used to describe natural forces or events that show no mercy, such as a hurricane or an earthquake. In any context, the word conveys a sense of cruelty, callousness, or indifference that makes others feel uncomfortable or even afraid