"unuttered" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms prefixed with un-",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "uttered"
      },
      "expansion": "un- + uttered",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "un- + uttered",
  "forms": [
    {
      "form": "unuttered",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "–",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "–",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The common view that he was strange remained unuttered by his friends."
        }
      ],
      "glosses": [
        "Unuttered means that what is being described or said has not been uttered before or is not currently being uttered by anyone else, something that is not being said out loud."
      ],
      "id": "simple-unuttered-en-adj-pV1LJrAv",
      "synonyms": [
        {
          "word": "unspoken"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌnˈʌtə(r)d/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌʌnˈʌtɚd/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "unuttered"
}

{
  "categories": [
    "Terms prefixed with un-"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "uttered"
      },
      "expansion": "un- + uttered",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "un- + uttered",
  "forms": [
    {
      "form": "unuttered",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "–",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "–",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The common view that he was strange remained unuttered by his friends."
        }
      ],
      "glosses": [
        "Unuttered means that what is being described or said has not been uttered before or is not currently being uttered by anyone else, something that is not being said out loud."
      ],
      "synonyms": [
        {
          "word": "unspoken"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌnˈʌtə(r)d/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌʌnˈʌtɚd/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "unuttered"
}