Ruthless Synonyms

48 ruthless synonyms include merciless, pitiless, cruel, heartless, hard-hearted, hard, stony-hearted, stony, with a heart of stone, and cold-blooded. Ruthless is an adjective, and its antonyms are merciful, compassionate, and gentle. Here are some additional synonyms for "ruthless" with example sentences.

Another word for Ruthless

48 other ways to say ruthless.

  • with a heart of stone  
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  • vicious  
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  • unsympathetic  
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  • unsparing  
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  • unremitting  
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  • unrelenting  
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  • unpitying  
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  • unmerciful  
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  • unforgiving  
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  • unfeeling  
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  • uncharitable  
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  • uncaring  
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  • unbending  
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  • stony-hearted  
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  • stony  
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  • steely  
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  • severe
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  • savage  
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  • sadistic  
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  • remorseless  
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  • relentless
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  • pitiless  
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  • merciless  
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  • marble-hearted  
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  • lacking compassion  
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  • inhumane  
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  • inhuman  
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  • inflexible  
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  • inexorable  
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  • inclement  
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  • implacable  
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  • heartless  
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  • harsh
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  • hard-hearted  
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  • hard
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  • fierce
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  • ferocious  
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  • fell  
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  • dog-eat-dog  
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  • cut-throat  
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  • cruel
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  • cold-hearted  
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  • cold-blooded  
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  • callous  
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  • brutal
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  • bloodthirsty  
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  • barbarous  
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  • barbaric  
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Use ruthless in a Sentence

He showed a ruthless desire for power.

She made a ruthless decision to fire the entire team.

The dictator was known for his ruthless rule.