"unprobable" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "probable"
      },
      "expansion": "un- + probable",
      "name": "prefix"
    }
  ],
  "etymology_text": "un- + probable",
  "forms": [
    {
      "form": "more unprobable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unprobable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unprobable (comparative more unprobable, superlative most unprobable)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1859, Isaac Barrow, Alexander Napier, The Theological Works of Isaac Barrow, D.D., volume 5, page 225",
          "text": "It is not unprobable, that our Lord gave an express command, that Peter should so fix his See at Rome, that the Bishop of Rome should absolutely succeed him.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Improbable; unlikely."
      ],
      "id": "en-unprobable-en-adj-P-vImIdR",
      "links": [
        [
          "Improbable",
          "improbable"
        ],
        [
          "unlikely",
          "unlikely"
        ]
      ],
      "raw_glosses": [
        "(archaic) Improbable; unlikely."
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "unprobable"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "probable"
      },
      "expansion": "un- + probable",
      "name": "prefix"
    }
  ],
  "etymology_text": "un- + probable",
  "forms": [
    {
      "form": "more unprobable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unprobable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unprobable (comparative more unprobable, superlative most unprobable)",
      "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 archaic senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1859, Isaac Barrow, Alexander Napier, The Theological Works of Isaac Barrow, D.D., volume 5, page 225",
          "text": "It is not unprobable, that our Lord gave an express command, that Peter should so fix his See at Rome, that the Bishop of Rome should absolutely succeed him.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Improbable; unlikely."
      ],
      "links": [
        [
          "Improbable",
          "improbable"
        ],
        [
          "unlikely",
          "unlikely"
        ]
      ],
      "raw_glosses": [
        "(archaic) Improbable; unlikely."
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "unprobable"
}