"extemporary" meaning in English

{
  "forms": [
    {
      "form": "more extemporary",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most extemporary",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "extemporary (comparative more extemporary, superlative most extemporary)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1687, John Aubrey, Remaines of Gentilisme and Judaisme, page 105:",
          "text": "Earle of Dorset, who had a great mastership in extemporary Oratory, had the boldness to cope with the Abp., and replied to him concerning his justifying of yᵉ picture, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Extemporaneous."
      ],
      "id": "en-extemporary-en-adj-CBXwN4qU",
      "links": [
        [
          "Extemporaneous",
          "extemporaneous"
        ]
      ]
    }
  ],
  "word": "extemporary"
}

{
  "forms": [
    {
      "form": "more extemporary",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most extemporary",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "extemporary (comparative more extemporary, superlative most extemporary)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1687, John Aubrey, Remaines of Gentilisme and Judaisme, page 105:",
          "text": "Earle of Dorset, who had a great mastership in extemporary Oratory, had the boldness to cope with the Abp., and replied to him concerning his justifying of yᵉ picture, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Extemporaneous."
      ],
      "links": [
        [
          "Extemporaneous",
          "extemporaneous"
        ]
      ]
    }
  ],
  "word": "extemporary"
}