"top-class" meaning in English

{
  "forms": [
    {
      "form": "more top-class",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most top-class",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "top-class (comparative more top-class, superlative most top-class)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2011 November 3, Chris Bevan, “Rubin Kazan 1 - 0 Tottenham”, in BBC Sport",
          "text": "Another Karadeniz cross led to Cudicini's first save of the night, with the Spurs keeper making up for a weak punch by brilliantly pushing away Christian Noboa's snap-shot.\nTwo more top-class stops followed quickly afterwards, first from Natcho's rasping shot which was heading into the top corner, and then to deny Ryazantsev at his near post.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of the highest quality."
      ],
      "id": "en-top-class-en-adj-FZsmDdNi",
      "synonyms": [
        {
          "word": "first-class"
        }
      ]
    }
  ],
  "word": "top-class"
}

{
  "forms": [
    {
      "form": "more top-class",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most top-class",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "top-class (comparative more top-class, superlative most top-class)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2011 November 3, Chris Bevan, “Rubin Kazan 1 - 0 Tottenham”, in BBC Sport",
          "text": "Another Karadeniz cross led to Cudicini's first save of the night, with the Spurs keeper making up for a weak punch by brilliantly pushing away Christian Noboa's snap-shot.\nTwo more top-class stops followed quickly afterwards, first from Natcho's rasping shot which was heading into the top corner, and then to deny Ryazantsev at his near post.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of the highest quality."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "first-class"
    }
  ],
  "word": "top-class"
}