"unbuildable" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "buildable"
      },
      "expansion": "un- + buildable",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + buildable.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unbuildable (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"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008 June 8, Arthur Lubow, “Face Value”, in New York Times",
          "text": "Because unusual facades catch the public’s eye and generate much of the popular interest in contemporary architecture, clients often urge an architect to build something that looks unbuildable.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not buildable; that cannot be built."
      ],
      "id": "en-unbuildable-en-adj-W9IgErRl",
      "links": [
        [
          "buildable",
          "buildable"
        ],
        [
          "built",
          "build"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "unbuildable"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "buildable"
      },
      "expansion": "un- + buildable",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + buildable.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unbuildable (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with un-",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry"
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      "examples": [
        {
          "ref": "2008 June 8, Arthur Lubow, “Face Value”, in New York Times",
          "text": "Because unusual facades catch the public’s eye and generate much of the popular interest in contemporary architecture, clients often urge an architect to build something that looks unbuildable.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not buildable; that cannot be built."
      ],
      "links": [
        [
          "buildable",
          "buildable"
        ],
        [
          "built",
          "build"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "unbuildable"
}