"fullorðinn" meaning in Icelandic

{
  "etymology_text": "Literally \"fully become\", from full- + orðinn, past participle of verða (“to become”).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "noun"
      },
      "expansion": "fullorðinn",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "is",
          "name": "Age",
          "orig": "is:Age",
          "parents": [
            "Human",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "grown-up, full-grown, adult"
      ],
      "id": "en-fullorðinn-is-adj-Wxr2obsz",
      "links": [
        [
          "grown-up",
          "grown-up"
        ],
        [
          "full-grown",
          "full-grown"
        ],
        [
          "adult",
          "adult"
        ]
      ]
    }
  ],
  "word": "fullorðinn"
}

{
  "etymology_text": "Literally \"fully become\", from full- + orðinn, past participle of verða (“to become”).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "noun"
      },
      "expansion": "fullorðinn",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "is:Age"
      ],
      "glosses": [
        "grown-up, full-grown, adult"
      ],
      "links": [
        [
          "grown-up",
          "grown-up"
        ],
        [
          "full-grown",
          "full-grown"
        ],
        [
          "adult",
          "adult"
        ]
      ]
    }
  ],
  "word": "fullorðinn"
}