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dog

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noun [countable] dog pronunciation in American English /dɔɡ/ 
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singulardog
pluraldogs
  1. 1
    an animal kept as a pet, for guarding buildings, or for hunting. A young dog is called a puppy

    Have you fed the dog?

    Out on the street, a dog began to bark.

    dog food/biscuits

    Synonyms and related words for this sense of dog
    1. a.
  2. 2
    used for describing a person of a particular type

    He's a lucky dog.

    1. a.
      offensive someone who is not attractive, especially a woman
      Synonyms and related words for this sense of dog
  3. 3
    informal something that is of bad quality or very unsuccessful

    I invested in an Internet start-up but it turned out to be a real dog.

  4. 4
    a hot dog
    Synonyms and related words for this sense of dog

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