"dastardliness" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dastardly",
        "3": "ness"
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      "expansion": "dastardly + -ness",
      "name": "suffix"
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  ],
  "etymology_text": "From dastardly + -ness.",
  "head_templates": [
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      "expansion": "dastardliness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "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": [],
          "source": "w"
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      ],
      "glosses": [
        "The state or quality of being dastardly."
      ],
      "id": "en-dastardliness-en-noun--1BGPKHa",
      "links": [
        [
          "dastardly",
          "dastardly"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "dastardliness"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "dastardly",
        "3": "ness"
      },
      "expansion": "dastardly + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "From dastardly + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dastardliness (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -ness",
        "English uncountable nouns",
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        "Pages with entries"
      ],
      "glosses": [
        "The state or quality of being dastardly."
      ],
      "links": [
        [
          "dastardly",
          "dastardly"
        ]
      ],
      "tags": [
        "uncountable"
      ]
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  ],
  "word": "dastardliness"
}