"열등생" meaning in Korean

{
  "antonyms": [
    {
      "alt": "優等生",
      "roman": "udeungsaeng",
      "word": "우등생"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "劣等生"
      },
      "expansion": "Sino-Korean word from 劣等生",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 劣等生.",
  "forms": [
    {
      "form": "yeoldeungsaeng",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "劣等生",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "劣等生"
      },
      "expansion": "열등생 • (yeoldeungsaeng) (hanja 劣等生)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Education",
          "orig": "ko:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "People",
          "orig": "ko:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "poor student"
      ],
      "id": "en-열등생-ko-noun-kZDyoi9M",
      "links": [
        [
          "education",
          "education"
        ],
        [
          "poor",
          "poor"
        ]
      ],
      "raw_glosses": [
        "(education) poor student"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jʌ̹ɭdɯŋsʰɛŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[jʌ̹ɭdɯŋsʰe̞ŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "열등생"
    },
    {
      "hangeul": "열등셍"
    }
  ],
  "word": "열등생"
}

{
  "antonyms": [
    {
      "alt": "優等生",
      "roman": "udeungsaeng",
      "word": "우등생"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "劣等生"
      },
      "expansion": "Sino-Korean word from 劣等生",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 劣等生.",
  "forms": [
    {
      "form": "yeoldeungsaeng",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "劣等生",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "劣等生"
      },
      "expansion": "열등생 • (yeoldeungsaeng) (hanja 劣等生)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Korean words",
        "ko:Education",
        "ko:People"
      ],
      "glosses": [
        "poor student"
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "poor",
          "poor"
        ]
      ],
      "raw_glosses": [
        "(education) poor student"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jʌ̹ɭdɯŋsʰɛŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[jʌ̹ɭdɯŋsʰe̞ŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "열등생"
    },
    {
      "hangeul": "열등셍"
    }
  ],
  "word": "열등생"
}