"unbelievably" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms prefixed with un-",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Terms suffixed with -y",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "believable",
        "2compound": "believably",
        "3": "y"
      },
      "expansion": "un- + believable + -y\nunbelievable + believably",
      "name": "ety-affix"
    }
  ],
  "etymology_text": "un- + believable + -y\nunbelievable + believably",
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "examples": [
        {
          "text": "He tried, unbelievably, to convince her that he was sorry."
        }
      ],
      "glosses": [
        "Something done unbelievably means it is done in a way that is not believable."
      ],
      "id": "simple-unbelievably-en-adv-qm~dvMiV"
    },
    {
      "examples": [
        {
          "text": "Asking a student out on a date would be unbelievably inappropriate."
        }
      ],
      "glosses": [
        "Unbelievably is so extreme that it is hard to believe."
      ],
      "id": "simple-unbelievably-en-adv-1Xx~2BPk"
    }
  ],
  "word": "unbelievably"
}

{
  "categories": [
    "Terms prefixed with un-",
    "Terms suffixed with -y"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "believable",
        "2compound": "believably",
        "3": "y"
      },
      "expansion": "un- + believable + -y\nunbelievable + believably",
      "name": "ety-affix"
    }
  ],
  "etymology_text": "un- + believable + -y\nunbelievable + believably",
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "examples": [
        {
          "text": "He tried, unbelievably, to convince her that he was sorry."
        }
      ],
      "glosses": [
        "Something done unbelievably means it is done in a way that is not believable."
      ]
    },
    {
      "examples": [
        {
          "text": "Asking a student out on a date would be unbelievably inappropriate."
        }
      ],
      "glosses": [
        "Unbelievably is so extreme that it is hard to believe."
      ]
    }
  ],
  "word": "unbelievably"
}