"матёрый" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en russe issus d’un mot en vieux slave",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "матереть"
    }
  ],
  "etymology_texts": [
    "Du vieux slave qui donne матор, mator (« vieux ») en serbo-croate, apparenté au roumain mator (« vieux »), au latin maturus."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "matjoryï"
  ],
  "related": [
    {
      "word": "матерой"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en russe",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Матёрый волк.",
          "translation": "Vieux loup."
        },
        {
          "text": "Матёрая личность.",
          "translation": "Personnalité expérimentée."
        }
      ],
      "glosses": [
        "Mûr, aguerri, expérimenté, vieux."
      ],
      "id": "fr-матёрый-ru-adj-p58z2C7w"
    }
  ],
  "sounds": [
    {
      "ipa": "\\mɐˈtʲɵrɨj\\"
    }
  ],
  "synonyms": [
    {
      "word": "зрелый"
    }
  ],
  "word": "матёрый"
}

{
  "categories": [
    "Adjectifs en russe",
    "Lemmes en russe",
    "Mots en russe issus d’un mot en vieux slave",
    "russe"
  ],
  "derived": [
    {
      "word": "матереть"
    }
  ],
  "etymology_texts": [
    "Du vieux slave qui donne матор, mator (« vieux ») en serbo-croate, apparenté au roumain mator (« vieux »), au latin maturus."
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "matjoryï"
  ],
  "related": [
    {
      "word": "матерой"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en russe"
      ],
      "examples": [
        {
          "text": "Матёрый волк.",
          "translation": "Vieux loup."
        },
        {
          "text": "Матёрая личность.",
          "translation": "Personnalité expérimentée."
        }
      ],
      "glosses": [
        "Mûr, aguerri, expérimenté, vieux."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mɐˈtʲɵrɨj\\"
    }
  ],
  "synonyms": [
    {
      "word": "зрелый"
    }
  ],
  "word": "матёрый"
}