"illabile" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "il",
        "3": "labile"
      },
      "expansion": "il- + labile",
      "name": "prefix"
    }
  ],
  "etymology_text": "il- + labile",
  "forms": [
    {
      "form": "more illabile",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most illabile",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "illabile (comparative more illabile, superlative most illabile)",
      "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 il-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Incapable of failing or erring; infallible."
      ],
      "id": "en-illabile-en-adj-JN9GPleh",
      "links": [
        [
          "fail",
          "fail"
        ],
        [
          "err",
          "err"
        ],
        [
          "infallible",
          "infallible"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Incapable of failing or erring; infallible."
      ],
      "related": [
        {
          "word": "illability"
        }
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "illabile"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "il",
        "3": "labile"
      },
      "expansion": "il- + labile",
      "name": "prefix"
    }
  ],
  "etymology_text": "il- + labile",
  "forms": [
    {
      "form": "more illabile",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most illabile",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "illabile (comparative more illabile, superlative most illabile)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "illability"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with il-",
        "English terms with obsolete senses"
      ],
      "glosses": [
        "Incapable of failing or erring; infallible."
      ],
      "links": [
        [
          "fail",
          "fail"
        ],
        [
          "err",
          "err"
        ],
        [
          "infallible",
          "infallible"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Incapable of failing or erring; infallible."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "illabile"
}