"실책" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "失策"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "失策"
      },
      "expansion": "Sino-Korean word from 失策",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 失策.",
  "forms": [
    {
      "form": "silchaek",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "失策",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "失策"
      },
      "expansion": "실책 • (silchaek) (hanja 失策)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "blunder; slip; error"
      ],
      "id": "en-실책-ko-noun-bmNDw5eX",
      "links": [
        [
          "blunder",
          "blunder"
        ],
        [
          "slip",
          "slip"
        ],
        [
          "error",
          "error"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "ko",
          "name": "Baseball",
          "orig": "ko:Baseball",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "error"
      ],
      "id": "en-실책-ko-noun-ygD8z7QI",
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "error",
          "error"
        ]
      ],
      "raw_glosses": [
        "(baseball) error"
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕʰiʎt͡ɕʰɛk̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[ɕʰiʎt͡ɕʰe̞k̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "실책"
    },
    {
      "hangeul": "실첵"
    }
  ],
  "word": "실책"
}

{
  "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"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "失策"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "失策"
      },
      "expansion": "Sino-Korean word from 失策",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 失策.",
  "forms": [
    {
      "form": "silchaek",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "失策",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "失策"
      },
      "expansion": "실책 • (silchaek) (hanja 失策)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "blunder; slip; error"
      ],
      "links": [
        [
          "blunder",
          "blunder"
        ],
        [
          "slip",
          "slip"
        ],
        [
          "error",
          "error"
        ]
      ]
    },
    {
      "categories": [
        "ko:Baseball"
      ],
      "glosses": [
        "error"
      ],
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "error",
          "error"
        ]
      ],
      "raw_glosses": [
        "(baseball) error"
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕʰiʎt͡ɕʰɛk̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "ipa": "[ɕʰiʎt͡ɕʰe̞k̚]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "실책"
    },
    {
      "hangeul": "실첵"
    }
  ],
  "word": "실책"
}