"unterribly" meaning in English

{
  "forms": [
    {
      "form": "more unterribly",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unterribly",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unterribly (comparative more unterribly, superlative most unterribly)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "How are we to write / The Russian novel in America / As long as life goes so unterribly?"
        }
      ],
      "glosses": [
        "In a manner that is not terrible."
      ],
      "id": "en-unterribly-en-adv-Zg13BCo7",
      "links": [
        [
          "terrible",
          "terrible"
        ]
      ],
      "raw_glosses": [
        "(rare) In a manner that is not terrible."
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "unterribly"
}

{
  "forms": [
    {
      "form": "more unterribly",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unterribly",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unterribly (comparative more unterribly, superlative most unterribly)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with rare senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "How are we to write / The Russian novel in America / As long as life goes so unterribly?"
        }
      ],
      "glosses": [
        "In a manner that is not terrible."
      ],
      "links": [
        [
          "terrible",
          "terrible"
        ]
      ],
      "raw_glosses": [
        "(rare) In a manner that is not terrible."
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "unterribly"
}