"thank fuck" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "thank fuck",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Used to express gratitude or relief."
      ],
      "id": "en-thank_fuck-en-intj-by3ctHaQ",
      "links": [
        [
          "gratitude",
          "gratitude#English"
        ],
        [
          "relief",
          "relief#English"
        ]
      ],
      "raw_glosses": [
        "(vulgar) Used to express gratitude or relief."
      ],
      "synonyms": [
        {
          "word": "thank God"
        },
        {
          "alt": "euphemised",
          "word": "thank goodness"
        }
      ],
      "tags": [
        "vulgar"
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "sláva jájcam",
          "sense": "vulgar exclamation of gratitude or relief",
          "word": "сла́ва я́йцам"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "vulgar exclamation of gratitude or relief",
          "tags": [
            "Cyrillic"
          ],
          "word": "хва́ла ку̑рцу"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "vulgar exclamation of gratitude or relief",
          "tags": [
            "Roman"
          ],
          "word": "hvála kȗrcu"
        },
        {
          "code": "sl",
          "lang": "Slovene",
          "sense": "vulgar exclamation of gratitude or relief",
          "word": "hvála kúrcu"
        }
      ]
    }
  ],
  "word": "thank fuck"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "thank fuck",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English vulgarities"
      ],
      "glosses": [
        "Used to express gratitude or relief."
      ],
      "links": [
        [
          "gratitude",
          "gratitude#English"
        ],
        [
          "relief",
          "relief#English"
        ]
      ],
      "raw_glosses": [
        "(vulgar) Used to express gratitude or relief."
      ],
      "tags": [
        "vulgar"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "thank God"
    },
    {
      "alt": "euphemised",
      "word": "thank goodness"
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "sláva jájcam",
      "sense": "vulgar exclamation of gratitude or relief",
      "word": "сла́ва я́йцам"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "vulgar exclamation of gratitude or relief",
      "tags": [
        "Cyrillic"
      ],
      "word": "хва́ла ку̑рцу"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "vulgar exclamation of gratitude or relief",
      "tags": [
        "Roman"
      ],
      "word": "hvála kȗrcu"
    },
    {
      "code": "sl",
      "lang": "Slovene",
      "sense": "vulgar exclamation of gratitude or relief",
      "word": "hvála kúrcu"
    }
  ],
  "word": "thank fuck"
}