earth - definition and synonyms

 
 
 
noun 

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/ɜː(r)θ/
singularearth
pluralearths
  1. 1

    Earth

    or

    earth

    [singular/uncountable] the planet on which we live
    the Earth:

    The Moon goes round the Earth.

    the Earth’s surface

    on Earth:

    They studied life on Earth in all its forms.

  2. 2

    the earth

    the land on which we live

    They felt the earth shaking beneath their feet.

    1. a.
      [uncountable] the substance in which plants grow that covers most of the land

      a pile of damp earth

      The floor was bare earth.

       Synonyms and related words
  3. 3
    [countable] a hole in the ground where an animal such as a fox lives
  4. 4
    [singular] physics British the wire in a piece of electrical equipment that makes it safe by connecting it to the ground
See also