"未成年" meaning in Japanese

{
  "antonyms": [
    {
      "roman": "seijin",
      "ruby": [
        [
          "成人",
          "せいじん"
        ]
      ],
      "word": "成人"
    },
    {
      "roman": "otona",
      "ruby": [
        [
          "大人",
          "おとな"
        ]
      ],
      "word": "大人"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "未",
        "3": "成年",
        "sort": "みせいねん",
        "t1": "not yet",
        "t2": "adult age"
      },
      "expansion": "未 (“not yet”) + 成年 (“adult age”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "未 (“not yet”) + 成年 (“adult age”)",
  "forms": [
    {
      "form": "未成年",
      "ruby": [
        [
          "未",
          "み"
        ],
        [
          "成",
          "せい"
        ],
        [
          "年",
          "ねん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "miseinen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "みせいねん"
      },
      "expansion": "未(み)成(せい)年(ねん) • (miseinen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms prefixed with 未",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a minor (someone under either 20 or 18 years of age)"
      ],
      "id": "en-未成年-ja-noun-rY825oa0",
      "links": [
        [
          "minor",
          "minor"
        ]
      ],
      "synonyms": [
        {
          "roman": "kodomo",
          "ruby": [
            [
              "子供",
              "こども"
            ]
          ],
          "word": "子供"
        }
      ]
    }
  ],
  "word": "未成年"
}

{
  "antonyms": [
    {
      "roman": "seijin",
      "ruby": [
        [
          "成人",
          "せいじん"
        ]
      ],
      "word": "成人"
    },
    {
      "roman": "otona",
      "ruby": [
        [
          "大人",
          "おとな"
        ]
      ],
      "word": "大人"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "未",
        "3": "成年",
        "sort": "みせいねん",
        "t1": "not yet",
        "t2": "adult age"
      },
      "expansion": "未 (“not yet”) + 成年 (“adult age”)",
      "name": "prefix"
    }
  ],
  "etymology_text": "未 (“not yet”) + 成年 (“adult age”)",
  "forms": [
    {
      "form": "未成年",
      "ruby": [
        [
          "未",
          "み"
        ],
        [
          "成",
          "せい"
        ],
        [
          "年",
          "ねん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "miseinen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "みせいねん"
      },
      "expansion": "未(み)成(せい)年(ねん) • (miseinen)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms prefixed with 未",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
        "a minor (someone under either 20 or 18 years of age)"
      ],
      "links": [
        [
          "minor",
          "minor"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "kodomo",
      "ruby": [
        [
          "子供",
          "こども"
        ]
      ],
      "word": "子供"
    }
  ],
  "word": "未成年"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "未成年"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "未成年",
  "trace": ""
}