"Sunday obligation" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "the obligation to attend a church service (mass) on Sundays; failing to fulfil this obligation without excuse constitutes a grave sin"
      ],
      "id": "en-Sunday_obligation-en-noun-41nQFTSK",
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          "Christianity",
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          "Roman Catholicism",
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          "church service",
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        [
          "mass",
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        [
          "Sunday",
          "Sunday"
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          "sin",
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      "raw_glosses": [
        "(Christianity, chiefly Roman Catholicism) the obligation to attend a church service (mass) on Sundays; failing to fulfil this obligation without excuse constitutes a grave sin"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "Catholicism",
        "Christianity",
        "Roman-Catholicism"
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      ],
      "glosses": [
        "the same obligation including that which applies on specified holidays of obligation (varying by diocese)"
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        "(loosely) the same obligation including that which applies on specified holidays of obligation (varying by diocese)"
      ],
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        "broadly",
        "uncountable"
      ]
    }
  ],
  "word": "Sunday obligation"
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      "expansion": "Sunday obligation (uncountable)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "the obligation to attend a church service (mass) on Sundays; failing to fulfil this obligation without excuse constitutes a grave sin"
      ],
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          "Roman Catholicism",
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          "mass",
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          "Sunday",
          "Sunday"
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          "sin",
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      "raw_glosses": [
        "(Christianity, chiefly Roman Catholicism) the obligation to attend a church service (mass) on Sundays; failing to fulfil this obligation without excuse constitutes a grave sin"
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "Catholicism",
        "Christianity",
        "Roman-Catholicism"
      ]
    },
    {
      "glosses": [
        "the same obligation including that which applies on specified holidays of obligation (varying by diocese)"
      ],
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          "holidays of obligation",
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        "(loosely) the same obligation including that which applies on specified holidays of obligation (varying by diocese)"
      ],
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        "broadly",
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  "word": "Sunday obligation"
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