"빨간불" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "빨간",
        "3": "불",
        "pos1": "present determiner of <i class=\"Kore mention\" lang=\"ko\">빨갛다</i> (ppalgata)",
        "t1": "red",
        "t2": "light"
      },
      "expansion": "빨간 (ppalgan, “red”, present determiner of 빨갛다 (ppalgata)) + 불 (bul, “light”)",
      "name": "com"
    }
  ],
  "etymology_text": "From 빨간 (ppalgan, “red”, present determiner of 빨갛다 (ppalgata)) + 불 (bul, “light”).",
  "forms": [
    {
      "form": "ppalganbul",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "빨간불 • (ppalganbul)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "roman": "sinhodeung",
      "word": "신호등(信號燈)"
    },
    {
      "_dis1": "0 0",
      "roman": "noranbul",
      "word": "노란불"
    },
    {
      "_dis1": "0 0",
      "roman": "chorokbul",
      "word": "초록불"
    },
    {
      "_dis1": "0 0",
      "roman": "paranbul",
      "word": "파란불"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "red light (warning light)"
      ],
      "id": "en-빨간불-ko-noun-X0Vv9Trt",
      "links": [
        [
          "red light",
          "red light"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "32 68",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "20 80",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "16 84",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a signal that indicates a dangerous situation"
      ],
      "id": "en-빨간불-ko-noun-cmoXj4cs",
      "links": [
        [
          "dangerous",
          "dangerous"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(figurative) a signal that indicates a dangerous situation"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[p͈a̠ɭɡa̠nbuɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "빨간불"
    },
    {
      "other": "[빨간불]"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "roman": "jeoksinho",
      "word": "적신호(赤信號)"
    }
  ],
  "word": "빨간불"
}

{
  "categories": [
    "Korean compound terms",
    "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"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "빨간",
        "3": "불",
        "pos1": "present determiner of <i class=\"Kore mention\" lang=\"ko\">빨갛다</i> (ppalgata)",
        "t1": "red",
        "t2": "light"
      },
      "expansion": "빨간 (ppalgan, “red”, present determiner of 빨갛다 (ppalgata)) + 불 (bul, “light”)",
      "name": "com"
    }
  ],
  "etymology_text": "From 빨간 (ppalgan, “red”, present determiner of 빨갛다 (ppalgata)) + 불 (bul, “light”).",
  "forms": [
    {
      "form": "ppalganbul",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "빨간불 • (ppalganbul)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "roman": "sinhodeung",
      "word": "신호등(信號燈)"
    },
    {
      "roman": "noranbul",
      "word": "노란불"
    },
    {
      "roman": "chorokbul",
      "word": "초록불"
    },
    {
      "roman": "paranbul",
      "word": "파란불"
    }
  ],
  "senses": [
    {
      "glosses": [
        "red light (warning light)"
      ],
      "links": [
        [
          "red light",
          "red light"
        ]
      ]
    },
    {
      "glosses": [
        "a signal that indicates a dangerous situation"
      ],
      "links": [
        [
          "dangerous",
          "dangerous"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(figurative) a signal that indicates a dangerous situation"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[p͈a̠ɭɡa̠nbuɭ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "빨간불"
    },
    {
      "other": "[빨간불]"
    }
  ],
  "synonyms": [
    {
      "roman": "jeoksinho",
      "word": "적신호(赤信號)"
    }
  ],
  "word": "빨간불"
}