Meaning

A ruthless, cutthroat world where everyone fights for themselves.

Origin

From 16th-century England, in a 1543 Latin proverb; 'canis canem edit'-dog eats dog, English by 1794 in a sailor's tale. By 1850s slang, it hit business, as in an 1870s 'Times' on trade wars. It grew into a fierce idiom of dogfights in a scrappy age.

Variants

  • Dog-eat-dog
  • Eat dog

Usage Examples

  • This industry's dog eat dog; watch your back.
  • It's dog eat dog out there; only the tough win.
  • Dog eat dog in sales; steal or be stolen.

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