"supreme sacrifice" meaning in English

{
  "forms": [
    {
      "form": "supreme sacrifices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "supreme sacrifice (plural supreme sacrifices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "parents": [
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Death",
          "orig": "en:Death",
          "parents": [
            "Body",
            "Life",
            "Human",
            "Nature",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1945 April 16, Harry S. Truman, 10:41 from the start, in MP72-20 President Roosevelt’s Funeral and Procession; Truman – New President of U.S., Harry S. Truman Presidential Library and Museum, National Archives Identifier: 595162",
          "text": "We will face the problems of peace with the same courage that we have faced and mastered the problems of war. In the memory of those that have made the supreme sacrifice, in the memory of our fallen president, we shall not fail.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Dying (especially in battle) for one's country or other cause."
      ],
      "id": "en-supreme_sacrifice-en-noun-x-U~CDHx"
    }
  ],
  "word": "supreme sacrifice"
}

{
  "forms": [
    {
      "form": "supreme sacrifices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "supreme sacrifice (plural supreme sacrifices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "English terms with quotations",
        "en:Death"
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      "examples": [
        {
          "ref": "1945 April 16, Harry S. Truman, 10:41 from the start, in MP72-20 President Roosevelt’s Funeral and Procession; Truman – New President of U.S., Harry S. Truman Presidential Library and Museum, National Archives Identifier: 595162",
          "text": "We will face the problems of peace with the same courage that we have faced and mastered the problems of war. In the memory of those that have made the supreme sacrifice, in the memory of our fallen president, we shall not fail.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Dying (especially in battle) for one's country or other cause."
      ]
    }
  ],
  "word": "supreme sacrifice"
}