English

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Alternative forms

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Noun

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ground floor (plural ground floors)

  1. The floor of a building closest to ground level.
    Synonym: (US) first floor
  2. (informal) The initial stage of a project.
    • 1981, Texas Monthly, volume 9, number 7, page 171:
      We are the exclusive marketing agents for three excellent condominium developments which can get you in on the ground floor of a truly fine winter/summer resort experience.

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