"навек" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "на-",
        "3": "век"
      },
      "expansion": "на- (na-) + век (vek)",
      "name": "af"
    }
  ],
  "etymology_text": "на- (na-) + век (vek)",
  "forms": [
    {
      "form": "наве́к",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "navék",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "наве́к"
      },
      "expansion": "наве́к • (navék)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms prefixed with на-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "forever"
      ],
      "id": "en-навек-ru-adv-IHD3Jf8c",
      "links": [
        [
          "forever",
          "forever"
        ]
      ],
      "qualifier": "higher register",
      "raw_glosses": [
        "(higher register) forever"
      ],
      "synonyms": [
        {
          "word": "навсегда́"
        },
        {
          "roman": "navéki",
          "word": "наве́ки"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɐˈvʲek]"
    }
  ],
  "word": "навек"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "на-",
        "3": "век"
      },
      "expansion": "на- (na-) + век (vek)",
      "name": "af"
    }
  ],
  "etymology_text": "на- (na-) + век (vek)",
  "forms": [
    {
      "form": "наве́к",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "navék",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "наве́к"
      },
      "expansion": "наве́к • (navék)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian higher register terms",
        "Russian lemmas",
        "Russian terms prefixed with на-",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "forever"
      ],
      "links": [
        [
          "forever",
          "forever"
        ]
      ],
      "qualifier": "higher register",
      "raw_glosses": [
        "(higher register) forever"
      ],
      "synonyms": [
        {
          "word": "навсегда́"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɐˈvʲek]"
    }
  ],
  "synonyms": [
    {
      "roman": "navéki",
      "word": "наве́ки"
    }
  ],
  "word": "навек"
}