"unmailed" meaning in English

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "mailed"
      },
      "expansion": "un- + mailed",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + mailed.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unmailed (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "38 31 31",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              23,
              31
            ]
          ],
          "text": "We decided to burn the unmailed letters.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not sent by mail."
      ],
      "id": "en-unmailed-en-adj-12WY1mrx",
      "links": [
        [
          "mail",
          "mail"
        ]
      ],
      "synonyms": [
        {
          "word": "unposted"
        },
        {
          "word": "unsent"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "31 43 26",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "38 31 31",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 50 22",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              11
            ]
          ],
          "text": "an unmailed fist",
          "type": "example"
        }
      ],
      "glosses": [
        "Not covered in mail, or armour."
      ],
      "id": "en-unmailed-en-adj-xkVPOhat",
      "links": [
        [
          "mail",
          "mail"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "unposted"
    },
    {
      "_dis1": "0 0",
      "word": "unsent"
    }
  ],
  "word": "unmailed"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "unmailed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "38 31 31",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "unmail"
        }
      ],
      "glosses": [
        "simple past and past participle of unmail"
      ],
      "id": "en-unmailed-en-verb-7lQwUKqv",
      "links": [
        [
          "unmail",
          "unmail#English"
        ]
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "unmailed"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English terms prefixed with un-",
    "English uncomparable adjectives",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "mailed"
      },
      "expansion": "un- + mailed",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + mailed.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unmailed (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              23,
              31
            ]
          ],
          "text": "We decided to burn the unmailed letters.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not sent by mail."
      ],
      "links": [
        [
          "mail",
          "mail"
        ]
      ],
      "synonyms": [
        {
          "word": "unposted"
        },
        {
          "word": "unsent"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              11
            ]
          ],
          "text": "an unmailed fist",
          "type": "example"
        }
      ],
      "glosses": [
        "Not covered in mail, or armour."
      ],
      "links": [
        [
          "mail",
          "mail"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "unposted"
    },
    {
      "word": "unsent"
    }
  ],
  "word": "unmailed"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English non-lemma forms",
    "English verb forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "unmailed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "unmail"
        }
      ],
      "glosses": [
        "simple past and past participle of unmail"
      ],
      "links": [
        [
          "unmail",
          "unmail#English"
        ]
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "unmailed"
}