Definition of ruthless in English:

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Pronunciation: /ˈro͞oTHləs/


Having or showing no pity or compassion for others: a ruthless manipulator
More example sentences
  • Not that people had much choice in the matter - bandits were ruthless and bloodthirsty.
  • He is known as a fierce and ruthless executive within his film production company, CWP.
  • You are being so bloodthirsty, so ruthless, and you are much too strong for your age and training.
merciless, pitiless, cruel, heartless, hard-hearted, cold-hearted, cold-blooded, harsh, callous, unmerciful, unforgiving, uncaring, unsympathetic, uncharitable;
remorseless, unbending, inflexible, implacable;
brutal, inhuman, inhumane, barbarous, barbaric, savage, sadistic, vicious


Middle English: from ruth + -less.

For editors and proofreaders

Syllabification: ruth·less

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