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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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noun [countable] pair pronunciation in American English /per/
Word Forms
  1. 1
    two things of the same type that belong together
    Those boots cost fifty dollars a pair.
    pair of: I need a pair of earrings to go with this outfit.
    a pair of beautiful blue eyes
    a pair of shoes/socks/gloves
    1. a.
      one of the things that form a pair
      the pair for/to something: I can’t find the pair for this sock.
  2. 2
    a single unit made up of two similar parts joined together
    a pair of pants/tights
    My glasses are getting old and I probably need a new pair.
    pair of: a pair of scissors/binoculars/pliers
  3. 3
    two people who are connected with each other
    The pair became good friends.
    pair of: several pairs of identical twins
    a pair of lovers
    1. a.
      two people who are doing something together
      pair of: Two pairs of guards stood just inside the main entrance to the museum.
  4. 4
    a male and female animal who breed (=produce baby animals)
    pair of: A pair of sparrows had made a nest in the hedge.
    a breeding pair of tropical fish
    1. a.
      old-fashioned two horses or other animals used for pulling a vehicle
      a carriage and pair



used to describe foods which don't contain ingredients such as wheat, dairy products etc …

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Open Dictionary

red market

the buying and selling of human organs

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