"deafness" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -ness",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "deaf",
        "2": "ness"
      },
      "expansion": "deaf + -ness",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "deaf + -ness",
  "forms": [
    {
      "form": "deafness",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun4"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "My mother's deafness keeps her from hearing me."
        },
        {
          "text": "Getting sick with the measles can cause deafness."
        }
      ],
      "glosses": [
        "Someone with deafness cannot hear or cannot hear well."
      ],
      "id": "simple-deafness-en-noun-nYJGhnBM",
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɛfnəs/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-deafness.wav",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "tags": [
    "singular-only"
  ],
  "word": "deafness"
}

{
  "categories": [
    "Terms suffixed with -ness"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "deaf",
        "2": "ness"
      },
      "expansion": "deaf + -ness",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "deaf + -ness",
  "forms": [
    {
      "form": "deafness",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun4"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Uncountable nouns"
      ],
      "examples": [
        {
          "text": "My mother's deafness keeps her from hearing me."
        },
        {
          "text": "Getting sick with the measles can cause deafness."
        }
      ],
      "glosses": [
        "Someone with deafness cannot hear or cannot hear well."
      ],
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈdɛfnəs/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-deafness.wav",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "tags": [
    "singular-only"
  ],
  "word": "deafness"
}