Shark (noun)

  1. A large fish with a pointed snout and sharp teeth, living in salt water and preying on other fish and sometimes on swimmers and divers.
  2. A predatory person or organization.
  3. A person who is unscrupulous and ruthless in business or personal dealings.
  4. A person who is considered to be dangerous and exploitative.

Origin:

Old english scearc, of germanic origin; related to dutch schaar and german schurke "villain", also to sharp.

Examples:

  1. The shark is a powerful predator.
  2. The shark is a dangerous animal.
  3. He is a shark in business.
  4. The shark swam around the boat.
  5. The shark attacks on swimmers were reported.
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