"unascertainable" meaning in English

{
  "antonyms": [
    {
      "word": "ascertainable"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "ascertainable"
      },
      "expansion": "un- + ascertainable",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + ascertainable.",
  "forms": [
    {
      "form": "more unascertainable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unascertainable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unascertainable (comparative more unascertainable, superlative most unascertainable)",
      "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": "1946, Bertrand Russell, History of Western Philosophy, I.19",
          "text": "Everything one would wish to know of the relations of Aristotle and Alexander is unascertainable, the more so as legends were soon invented on the subject.",
          "type": "quotation"
        },
        {
          "ref": "1967 February 25, Hannah Arendt, “Truth and Politics”, in The New Yorker, page 84",
          "text": "Reality is different from, and more than, the totality of facts and events, which, anyhow, is unascertainable.",
          "type": "quotation"
        },
        {
          "ref": "1980 September 15, Mikva, Big Mama Rag Inc v. United States",
          "text": "The regulation's vagueness is especially apparent in the last clause quoted above. That portion of the test is expressly based on an individualistic—and therefore necessarily varying and unascertainable—standard: the reactions of members of the public.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That cannot be ascertained; uncertain, unable to be determined or discovered."
      ],
      "id": "en-unascertainable-en-adj-q70DOJ5X",
      "links": [
        [
          "ascertain",
          "ascertain"
        ],
        [
          "uncertain",
          "uncertain"
        ],
        [
          "determine",
          "determine"
        ],
        [
          "discover",
          "discover"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌʌnæsəˈteɪnəbl̩/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˌʌnæsɚˈteɪnəbl̩/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "unascertainable"
}

{
  "antonyms": [
    {
      "word": "ascertainable"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "ascertainable"
      },
      "expansion": "un- + ascertainable",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + ascertainable.",
  "forms": [
    {
      "form": "more unascertainable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unascertainable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unascertainable (comparative more unascertainable, superlative most unascertainable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English 6-syllable words",
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with un-",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1946, Bertrand Russell, History of Western Philosophy, I.19",
          "text": "Everything one would wish to know of the relations of Aristotle and Alexander is unascertainable, the more so as legends were soon invented on the subject.",
          "type": "quotation"
        },
        {
          "ref": "1967 February 25, Hannah Arendt, “Truth and Politics”, in The New Yorker, page 84",
          "text": "Reality is different from, and more than, the totality of facts and events, which, anyhow, is unascertainable.",
          "type": "quotation"
        },
        {
          "ref": "1980 September 15, Mikva, Big Mama Rag Inc v. United States",
          "text": "The regulation's vagueness is especially apparent in the last clause quoted above. That portion of the test is expressly based on an individualistic—and therefore necessarily varying and unascertainable—standard: the reactions of members of the public.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "That cannot be ascertained; uncertain, unable to be determined or discovered."
      ],
      "links": [
        [
          "ascertain",
          "ascertain"
        ],
        [
          "uncertain",
          "uncertain"
        ],
        [
          "determine",
          "determine"
        ],
        [
          "discover",
          "discover"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌʌnæsəˈteɪnəbl̩/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˌʌnæsɚˈteɪnəbl̩/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "unascertainable"
}