Dog Eat Dog Idiom

Dog eat dog (idiom)

Try to guess the meaning of the idiom 'dog eat dog' by looking at the picture. It's not a pretty picture is it?   

Dog eat dog:   ruthless competition where people will do anything (even harm other people) to succeed at doing something.



Can you imagine a dog eating another dog to survive? Well, that would be a ruthless, cruel and a very extreme way to survive.

We often say the world is dog eat dog or say something is a dog eat dog world. Dog eat dog is therefore an adjective describing how difficult, mean and competitive something (e.g., the world) can be.


  • I hated living in New York City because even riding the metro to work in the morning was dog eat dog  if you wanted to get a seat.
  • Are you sure you want to to go into the field of sales and marketing? It's such a dog eat dog profession.
  • I only shop online during Black Friday sales—the shopping malls are dog eat dog  and people even get killed!
  • You might not believe it but you have to have a dog eat dog  attitude to be successful in beauty pageants.
  • Politics is a dog eat dog world.
  • Actually my daughter loves working on Wall Street—she seems to thrive in a dog eat dog  work environment.
  • Trying to find parking in the city is dog eat dog—let's take the bus instead.
  • I played football in both high school and college and it was rough but professional NFL football is a dog eat dog world.
  • We played games at the baby shower and I couldn't believe it was so dog eat dog—everyone wanted to win the prizes.
  • I never thought kindergarten could be a dog eat dog world  but the parents of these kids are really aggressive.

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Your turn to practice

Have you ever been in a dog eat dog situation or do you work or study in a very competitive environment?  Practice your English by telling us about it. Or, feel free to just write an example sentence or two. I will be happy to provide feedback.

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