"ill luck" meaning in English

{
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      "expansion": "ill luck (uncountable)",
      "name": "en-noun"
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  ],
  "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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      ],
      "examples": [
        {
          "ref": "1961 September, “Background to the new winter timetables of the East Coast”, in Modern Railways, page 528",
          "text": "Then, as we have reported, bogie defects came to light on the first few production \"Deltics\" [...]; these have now been remedied, but inevitably deliveries, trial running and particularly crew training were retarded as a result, so that once again ill luck has dogged the East Coast Route timetable planners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Bad luck; misluck; misfortune."
      ],
      "id": "en-ill_luck-en-noun-ieF4rk2h",
      "links": [
        [
          "Bad luck",
          "bad luck"
        ],
        [
          "misluck",
          "misluck"
        ],
        [
          "misfortune",
          "misfortune"
        ]
      ],
      "synonyms": [
        {
          "word": "ill-luck"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "ill luck"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "ill luck (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "1961 September, “Background to the new winter timetables of the East Coast”, in Modern Railways, page 528",
          "text": "Then, as we have reported, bogie defects came to light on the first few production \"Deltics\" [...]; these have now been remedied, but inevitably deliveries, trial running and particularly crew training were retarded as a result, so that once again ill luck has dogged the East Coast Route timetable planners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Bad luck; misluck; misfortune."
      ],
      "links": [
        [
          "Bad luck",
          "bad luck"
        ],
        [
          "misluck",
          "misluck"
        ],
        [
          "misfortune",
          "misfortune"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ill-luck"
    }
  ],
  "word": "ill luck"
}