"dead last" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dead last (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "That high-school football team only scored 18 points all year! No wonder they were dead last in the league."
        },
        {
          "ref": "2008 October, Mark Jenkins, “Need surgery? Call a travel agent”, in Men's Health, volume 23, number 8, →ISSN, page 152",
          "text": "And compared with Canada, Japan, Australia, New Zealand, and 14 European countries, the United States ranks dead last, with the highest death rate for people under age 75 from conditions that could have been treated or prevented with timely medical care.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Finishing in last place in a competition or ranking, often by a considerable margin to the next-to-last-place finisher or after an exceptionally poor showing or season."
      ],
      "id": "en-dead_last-en-adj-jMKUAiS3",
      "links": [
        [
          "last",
          "last"
        ],
        [
          "place",
          "place"
        ],
        [
          "competition",
          "competition"
        ],
        [
          "ranking",
          "ranking"
        ],
        [
          "considerable",
          "considerable"
        ],
        [
          "margin",
          "margin"
        ],
        [
          "finisher",
          "finisher"
        ],
        [
          "exceptionally",
          "exceptionally"
        ],
        [
          "poor",
          "poor"
        ],
        [
          "showing",
          "showing"
        ],
        [
          "season",
          "season"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Finishing in last place in a competition or ranking, often by a considerable margin to the next-to-last-place finisher or after an exceptionally poor showing or season."
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "finishing last",
          "word": "vihonviimeinen"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "sense": "finishing last",
          "word": "どべ"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "sense": "finishing last",
          "word": "ドベ"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-dead last.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/dc/En-au-dead_last.ogg/En-au-dead_last.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/dc/En-au-dead_last.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "dead last"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dead last (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "That high-school football team only scored 18 points all year! No wonder they were dead last in the league."
        },
        {
          "ref": "2008 October, Mark Jenkins, “Need surgery? Call a travel agent”, in Men's Health, volume 23, number 8, →ISSN, page 152",
          "text": "And compared with Canada, Japan, Australia, New Zealand, and 14 European countries, the United States ranks dead last, with the highest death rate for people under age 75 from conditions that could have been treated or prevented with timely medical care.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Finishing in last place in a competition or ranking, often by a considerable margin to the next-to-last-place finisher or after an exceptionally poor showing or season."
      ],
      "links": [
        [
          "last",
          "last"
        ],
        [
          "place",
          "place"
        ],
        [
          "competition",
          "competition"
        ],
        [
          "ranking",
          "ranking"
        ],
        [
          "considerable",
          "considerable"
        ],
        [
          "margin",
          "margin"
        ],
        [
          "finisher",
          "finisher"
        ],
        [
          "exceptionally",
          "exceptionally"
        ],
        [
          "poor",
          "poor"
        ],
        [
          "showing",
          "showing"
        ],
        [
          "season",
          "season"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Finishing in last place in a competition or ranking, often by a considerable margin to the next-to-last-place finisher or after an exceptionally poor showing or season."
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-dead last.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/dc/En-au-dead_last.ogg/En-au-dead_last.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/d/dc/En-au-dead_last.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "finishing last",
      "word": "vihonviimeinen"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "sense": "finishing last",
      "word": "どべ"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "sense": "finishing last",
      "word": "ドベ"
    }
  ],
  "word": "dead last"
}