"well-formedness" meaning in All languages combined

{
  "antonyms": [
    {
      "word": "ill-formedness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "well-formed",
        "3": "-ness"
      },
      "expansion": "well-formed + -ness",
      "name": "affix"
    }
  ],
  "etymology_text": "From well-formed + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "well-formedness (uncountable)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ness",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "well-formedness rules"
        }
      ],
      "glosses": [
        "The property of being well-formed."
      ],
      "id": "en-well-formedness-en-noun-~jS-gRlS",
      "links": [
        [
          "well-formed",
          "well-formed"
        ]
      ],
      "synonyms": [
        {
          "word": "wellformedness"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "well-formedness"
}

{
  "antonyms": [
    {
      "word": "ill-formedness"
    }
  ],
  "derived": [
    {
      "word": "well-formedness rules"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "well-formed",
        "3": "-ness"
      },
      "expansion": "well-formed + -ness",
      "name": "affix"
    }
  ],
  "etymology_text": "From well-formed + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "well-formedness (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 suffixed with -ness",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "The property of being well-formed."
      ],
      "links": [
        [
          "well-formed",
          "well-formed"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "wellformedness"
    }
  ],
  "word": "well-formedness"
}