"neck or nothing" meaning in All languages combined

{
  "etymology_text": "Originally a steeplechase phrase. Desperate. A racing phrase; to win by a neck or to be nowhere—i.e. not counted at all because unworthy of notice.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "neck or nothing (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1960 January, G. Freeman Allen, “\"Condor\"—British Railways' fastest freight train”, in Trains Illustrated, page 45:",
          "text": "It is a neck-or-nothing venture to wrest valuable merchandise traffic from road transport.",
          "type": "quote"
        }
      ],
      "glosses": [
        "At all risks."
      ],
      "id": "en-neck_or_nothing-en-adv-Q0~q1GXE",
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "neck or nothing"
}

{
  "etymology_text": "Originally a steeplechase phrase. Desperate. A racing phrase; to win by a neck or to be nowhere—i.e. not counted at all because unworthy of notice.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "neck or nothing (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adverbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1960 January, G. Freeman Allen, “\"Condor\"—British Railways' fastest freight train”, in Trains Illustrated, page 45:",
          "text": "It is a neck-or-nothing venture to wrest valuable merchandise traffic from road transport.",
          "type": "quote"
        }
      ],
      "glosses": [
        "At all risks."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "neck or nothing"
}