"blown-off" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "blown-off (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"
        }
      ],
      "examples": [
        {
          "ref": "2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 91",
          "text": "The palm trees were bent over almost touching the ground, and the streets were now awash with stalled cars and blown-off rooftops.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having been blown off; removed by the wind."
      ],
      "id": "en-blown-off-en-adj-2cbYqs~Y",
      "links": [
        [
          "blown off",
          "blow off"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "blown-off"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "blown-off (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 multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 91",
          "text": "The palm trees were bent over almost touching the ground, and the streets were now awash with stalled cars and blown-off rooftops.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having been blown off; removed by the wind."
      ],
      "links": [
        [
          "blown off",
          "blow off"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "blown-off"
}