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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/uncountable] sky pronunciation in American English /skaɪ/ 
Word Forms
  1. the space above the earth that you see when you look up into the air

    At noon the sun is directly above us in the sky.

    Air pollution is clearly visible in the skies over Los Angeles.

    a clear blue sky

    the night/summer/northern sky (=how the sky looks at a particular time, season, or place):

    The night sky was filled with stars.

    a patch/strip of sky (=a small area of the sky):

    a patch of blue sky among the clouds

    1. a.
      [usually plural] used for talking about the weather
      clear/cloudy skies:

      Tomorrow we expect clear skies in the morning, with rain in the afternoon.



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