"смртни грех" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "смртни гре̑х",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "smrtni grȇh",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "смртни гре̑х"
      },
      "expansion": "смртни гре̑х m (Latin spelling smrtni grȇh)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "deadly sin"
      ],
      "id": "en-смртни_грех-sh-noun-4Ssawk0v",
      "links": [
        [
          "deadly sin",
          "deadly sin"
        ]
      ],
      "raw_glosses": [
        "(Ekavian) deadly sin"
      ],
      "synonyms": [
        {
          "tags": [
            "Ijekavian"
          ],
          "word": "смртни грије̑х"
        }
      ],
      "tags": [
        "Ekavian"
      ]
    }
  ],
  "word": "смртни грех"
}

{
  "forms": [
    {
      "form": "смртни гре̑х",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "smrtni grȇh",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "смртни гре̑х"
      },
      "expansion": "смртни гре̑х m (Latin spelling smrtni grȇh)",
      "name": "sh-noun"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian masculine nouns",
        "Serbo-Croatian multiword terms",
        "Serbo-Croatian nouns"
      ],
      "glosses": [
        "deadly sin"
      ],
      "links": [
        [
          "deadly sin",
          "deadly sin"
        ]
      ],
      "raw_glosses": [
        "(Ekavian) deadly sin"
      ],
      "tags": [
        "Ekavian"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "Ijekavian"
      ],
      "word": "смртни грије̑х"
    }
  ],
  "word": "смртни грех"
}