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air - definition and synonyms


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noun air pronunciation in British English /eə(r)/
Word Forms
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  1. 1
    [uncountable] the mixture of gases surrounding the Earth that we breathe
    Do we really want all these cars polluting the air?
    She breathed in the cold air.
    I’d like to open the window: I need some air.
    a blast/rush/draught/gust of air (=a current of moving air): A blast of cold air swept through the house.
    1. a.

      the air

      the space around things and above the ground
      They threw their hats up into the air.
      The baby waved its legs in the air.
      birds flying through the air
  2. 2
    [singular] a feeling or attitude that someone has
    air of: She spoke with her usual air of authority.
    1. a.
      the feeling that a place or situation gives you
      The overgrown garden gave the house a neglected air.
      air of: There was an air of unreality about the whole proceeding.
  3. 3


    [plural] behaviour that is not natural and relaxed by someone who wants to impress people and seem important
    put on airs: My friends are people I trust, and I don’t have to put on airs with them.
    airs and graces: Despite her fame, she has no airs and graces and makes everyone feel comfortable.
  4. 4
    [countable] music old-fashioned a piece of music that has a simple tune
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a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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