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Definition of 'ground'

See also: grind 


  1. the solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground"
       Synonyms: land dry land earth solid ground terra firma
  2. a rational motive for a belief or action; "the reason that war was declared"; "the grounds for their declaration"
       Synonyms: reason
  3. the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"
       Synonyms: earth
  4. a relation that provides the foundation for something; "they were on a friendly footing"; "he worked on an interim basis"
       Synonyms: footing basis
  5. a position to be won or defended in battle (or as if in battle); "they gained ground step by step"; "they fought to regain the lost ground"
  6. the part of a scene (or picture) that lies behind objects in the foreground; "he posed her against a background of rolling hills"
       Synonyms: background
  7. material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil"
       Synonyms: land soil
  8. a relatively homogeneous percept extending back of the figure on which attention is focused
       Antonyms: figure
  9. a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
       Synonyms: earth
  10. (art) the surface (as a wall or canvas) prepared to take the paint for a painting
  11. the first or preliminary coat of paint or size applied to a surface
       Synonyms: flat coat primer priming primer coat priming coat undercoat


  1. fix firmly and stably; "anchor the lamppost in concrete"
       Synonyms: anchor
  2. confine or restrict to the ground; "After the accident, they grounded the plane and the pilot"
  3. place or put on the ground
  4. instruct someone in the fundamentals of a subject
  5. bring to the ground; "the storm grounded the ship"
       Synonyms: run aground
  6. hit or reach the ground
       Synonyms: run aground
  7. throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
  8. hit a groundball; "he grounded to the second baseman"
  9. hit onto the ground
  10. cover with a primer; apply a primer to
       Synonyms: prime undercoat
  11. connect to a ground; "ground the electrical connections for safety reasons"
  12. use as a basis for; found on; "base a claim on some observation"
       Synonyms: establish base found

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