"lost ground" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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      "examples": [
        {
          "ref": "2019 February 10, Phil McNulty, “Manchester City 6-0 Chelsea”, in BBC Sport:",
          "text": "Liverpool still have a game in hand but City have made up most of that lost ground and this was a resounding message that they will not be handing over the title.",
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        }
      ],
      "glosses": [
        "A portion of a lead or advantage that has been subsequently lost."
      ],
      "id": "en-lost_ground-en-noun-K4bqNFyJ",
      "links": [
        [
          "portion",
          "portion"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "advantage",
          "advantage"
        ],
        [
          "subsequent",
          "subsequent"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "lost ground"
}

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      "expansion": "lost ground",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
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      ],
      "form_of": [
        {
          "word": "lose ground"
        }
      ],
      "glosses": [
        "simple past and past participle of lose ground"
      ],
      "id": "en-lost_ground-en-verb-p-Ac2PDX",
      "links": [
        [
          "lose ground",
          "lose ground#English"
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        "form-of",
        "participle",
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  "word": "lost ground"
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    "English verb forms",
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  "head_templates": [
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      "expansion": "lost ground (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
        "English terms with quotations"
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      "examples": [
        {
          "ref": "2019 February 10, Phil McNulty, “Manchester City 6-0 Chelsea”, in BBC Sport:",
          "text": "Liverpool still have a game in hand but City have made up most of that lost ground and this was a resounding message that they will not be handing over the title.",
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        }
      ],
      "glosses": [
        "A portion of a lead or advantage that has been subsequently lost."
      ],
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        [
          "portion",
          "portion"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "advantage",
          "advantage"
        ],
        [
          "subsequent",
          "subsequent"
        ]
      ],
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        "uncountable"
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  "word": "lost ground"
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
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        {
          "word": "lose ground"
        }
      ],
      "glosses": [
        "simple past and past participle of lose ground"
      ],
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          "lose ground",
          "lose ground#English"
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  "word": "lost ground"
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