"прежде всего" meaning in Russian

{
  "forms": [
    {
      "form": "пре́жде всего́",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "préžde vsevó",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пре́жде всего́"
      },
      "expansion": "пре́жде всего́ • (préžde vsevó)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "first of all"
      ],
      "id": "en-прежде_всего-ru-adv-4zypZdoq",
      "links": [
        [
          "first of all",
          "first of all"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "67 15 10 3 5",
          "roman": "v pérvuju óčeredʹ",
          "sense": "first of all, in the first place, primarily",
          "word": "в пе́рвую о́чередь"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "16 57 0 27 0",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 74 0 17 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "6 85 0 9 0",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "above all"
      ],
      "id": "en-прежде_всего-ru-adv-9j9-QnWh",
      "links": [
        [
          "above all",
          "above all"
        ]
      ]
    },
    {
      "glosses": [
        "in the first place"
      ],
      "id": "en-прежде_всего-ru-adv-tVSYZVbd",
      "links": [
        [
          "in the first place",
          "in the first place"
        ]
      ]
    },
    {
      "glosses": [
        "to begin with"
      ],
      "id": "en-прежде_всего-ru-adv-5~ojp2i4",
      "links": [
        [
          "to begin with",
          "to begin with"
        ]
      ]
    },
    {
      "glosses": [
        "primarily"
      ],
      "id": "en-прежде_всего-ru-adv-7Hrcc85p",
      "links": [
        [
          "primarily",
          "primarily"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈprʲeʐdʲe fsʲɪˈvo]"
    },
    {
      "audio": "Ru-прежде всего.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f8/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/f8/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg"
    }
  ],
  "word": "прежде всего"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian adverbs",
    "Russian entries with incorrect language header",
    "Russian lemmas",
    "Russian multiword terms",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "пре́жде всего́",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "préžde vsevó",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пре́жде всего́"
      },
      "expansion": "пре́жде всего́ • (préžde vsevó)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "first of all"
      ],
      "links": [
        [
          "first of all",
          "first of all"
        ]
      ]
    },
    {
      "glosses": [
        "above all"
      ],
      "links": [
        [
          "above all",
          "above all"
        ]
      ]
    },
    {
      "glosses": [
        "in the first place"
      ],
      "links": [
        [
          "in the first place",
          "in the first place"
        ]
      ]
    },
    {
      "glosses": [
        "to begin with"
      ],
      "links": [
        [
          "to begin with",
          "to begin with"
        ]
      ]
    },
    {
      "glosses": [
        "primarily"
      ],
      "links": [
        [
          "primarily",
          "primarily"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈprʲeʐdʲe fsʲɪˈvo]"
    },
    {
      "audio": "Ru-прежде всего.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f8/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/f/f8/Ru-%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B5_%D0%B2%D1%81%D0%B5%D0%B3%D0%BE.ogg"
    }
  ],
  "synonyms": [
    {
      "roman": "v pérvuju óčeredʹ",
      "sense": "first of all, in the first place, primarily",
      "word": "в пе́рвую о́чередь"
    }
  ],
  "word": "прежде всего"
}