1. ruthless

adjective. ['ˈruːθləs'] without mercy or pity.


  • remorseless
  • pitiless
  • unmerciful
  • merciless


  • humane
  • bloodless
  • compassionate
  • clement


  • -less (English)
  • -leas (Old English (ca. 450-1100))
  • ruth (English)
  • ruthe (Middle English (1100-1500))

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Rhymes with Ruthless

  • toothless

Sentences with ruthless

1. Noun, singular or mass
This is never a time or place to become ruthless or overly aggressive in order to gain the prize.

2. Verb, base form
Many companies require that you be selfish and even ruthless in your dealings with competitors.

Quotes about ruthless

1. There's a misconception that survival of the fittest means survival of the most aggressive. The adjective 'Darwinian' used to refer to ruthless competition; you used to read that in business journals. But that's not what Darwinian means to a biologist; it's whatever leads to reproductive success.
- Steven Pinker

2. I require three things in a man: he must be handsome, ruthless, and stupid.
- Dorothy Parker

3. As long as Man continues to be the ruthless destroyer of lower living beings, he will never know health or peace. For as long as men massacre animals, they will kill each other. Indeed, he who sows the seed of murder and pain cannot reap joy and love.
- Pythagoras