"앙숙" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "怏宿"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "怏宿"
      },
      "expansion": "Sino-Korean word from 怏宿",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 怏宿.",
  "forms": [
    {
      "form": "angsuk",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "怏宿",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "怏宿"
      },
      "expansion": "앙숙 • (angsuk) (hanja 怏宿)",
      "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"
        }
      ],
      "examples": [
        {
          "english": "The two hate each other",
          "roman": "geu dur-eun seoro angsugida",
          "text": "그 둘은 서로 앙숙이다",
          "type": "example"
        }
      ],
      "glosses": [
        "bearing hatred against one another"
      ],
      "id": "en-앙숙-ko-noun-lLXUfV0y",
      "links": [
        [
          "hatred",
          "hatred"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ŋsʰuk̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "앙숙"
    },
    {
      "other": "[앙숙]"
    }
  ],
  "word": "앙숙"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "怏宿"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "怏宿"
      },
      "expansion": "Sino-Korean word from 怏宿",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 怏宿.",
  "forms": [
    {
      "form": "angsuk",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "怏宿",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "怏宿"
      },
      "expansion": "앙숙 • (angsuk) (hanja 怏宿)",
      "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",
        "Korean terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Korean words"
      ],
      "examples": [
        {
          "english": "The two hate each other",
          "roman": "geu dur-eun seoro angsugida",
          "text": "그 둘은 서로 앙숙이다",
          "type": "example"
        }
      ],
      "glosses": [
        "bearing hatred against one another"
      ],
      "links": [
        [
          "hatred",
          "hatred"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ŋsʰuk̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "앙숙"
    },
    {
      "other": "[앙숙]"
    }
  ],
  "word": "앙숙"
}