"++good" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "++good (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "double-plus-good"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997 July 25, rikard, “Configuration is IMPORTANT”, in demon.service (Usenet)",
          "text": "replace ungood 'liable' with ++good 'reliable'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of double-plus-good"
      ],
      "id": "en-++good-en-adj-2okB5PvO",
      "links": [
        [
          "double-plus-good",
          "double-plus-good#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "not-comparable"
      ]
    }
  ],
  "word": "++good"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "++good (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "double-plus-good"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms derived from Nineteen Eighty-Four",
        "English terms spelled with +",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1997 July 25, rikard, “Configuration is IMPORTANT”, in demon.service (Usenet)",
          "text": "replace ungood 'liable' with ++good 'reliable'",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of double-plus-good"
      ],
      "links": [
        [
          "double-plus-good",
          "double-plus-good#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "not-comparable"
      ]
    }
  ],
  "word": "++good"
}