"improviso" meaning in Latin

{
  "forms": [
    {
      "form": "imprōvīsō",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "adjective form",
        "head": "imprōvīsō"
      },
      "expansion": "imprōvīsō",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 6 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "imprōvīsus"
        }
      ],
      "glosses": [
        "dative/ablative masculine/neuter singular of imprōvīsus"
      ],
      "id": "en-improviso-la-adj-f0VTGRp6",
      "links": [
        [
          "imprōvīsus",
          "improvisus#Latin"
        ]
      ],
      "synonyms": [
        {
          "word": "inprōvīsō"
        }
      ],
      "tags": [
        "ablative",
        "dative",
        "form-of",
        "masculine",
        "neuter",
        "singular"
      ]
    }
  ],
  "word": "improviso"
}

{
  "categories": [
    "Pages with 6 entries"
  ],
  "forms": [
    {
      "form": "imprōvīsō",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "adjective form",
        "head": "imprōvīsō"
      },
      "expansion": "imprōvīsō",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Latin adjective forms",
        "Latin entries with incorrect language header",
        "Latin non-lemma forms",
        "Pages with 6 entries"
      ],
      "form_of": [
        {
          "word": "imprōvīsus"
        }
      ],
      "glosses": [
        "dative/ablative masculine/neuter singular of imprōvīsus"
      ],
      "links": [
        [
          "imprōvīsus",
          "improvisus#Latin"
        ]
      ],
      "tags": [
        "ablative",
        "dative",
        "form-of",
        "masculine",
        "neuter",
        "singular"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "inprōvīsō"
    }
  ],
  "word": "improviso"
}