"past perfect" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "past perfect (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "name": "Terms with Danish translations",
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          "kind": "other",
          "name": "Terms with Malayalam translations",
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          "kind": "other",
          "name": "Terms with Persian translations",
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          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Tenses",
          "orig": "en:Tenses",
          "parents": [
            "Grammar",
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "past perfect continuous"
        }
      ],
      "glosses": [
        "A tense which describes actions that occurred before another action or event in the past; the pluperfect or the past anterior tense."
      ],
      "id": "en-past_perfect-en-noun-C2cXrMj~",
      "links": [
        [
          "tense",
          "tense"
        ],
        [
          "pluperfect",
          "pluperfect"
        ],
        [
          "past anterior",
          "past anterior"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "tense",
          "tags": [
            "common-gender"
          ],
          "word": "førdatid"
        },
        {
          "code": "fo",
          "lang": "Faroese",
          "sense": "tense",
          "tags": [
            "feminine"
          ],
          "word": "táliðin tíð"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "tense",
          "word": "pluskvamperfekti"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "tense",
          "tags": [
            "feminine"
          ],
          "word": "þáliðin tíð"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "tense",
          "tags": [
            "masculine"
          ],
          "word": "trapassato remoto"
        },
        {
          "code": "ml",
          "lang": "Malayalam",
          "roman": "pūṟṇṇabhūtakālaṁ",
          "sense": "tense",
          "word": "പൂർണ്ണഭൂതകാലം"
        },
        {
          "code": "fa",
          "lang": "Persian",
          "roman": "gozashteye ba'id",
          "sense": "tense",
          "word": "گذشته ی بعید"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "tense",
          "word": "czas zaprzeszły"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "tense",
          "tags": [
            "masculine"
          ],
          "word": "pretérito mais-que-perfeito"
        }
      ],
      "wikipedia": [
        "past perfect"
      ]
    }
  ],
  "word": "past perfect"
}

{
  "derived": [
    {
      "word": "past perfect continuous"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "past perfect (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
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        "Pages with 1 entry",
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        "Terms with Italian translations",
        "Terms with Malayalam translations",
        "Terms with Persian translations",
        "Terms with Polish translations",
        "Terms with Portuguese translations",
        "en:Tenses"
      ],
      "glosses": [
        "A tense which describes actions that occurred before another action or event in the past; the pluperfect or the past anterior tense."
      ],
      "links": [
        [
          "tense",
          "tense"
        ],
        [
          "pluperfect",
          "pluperfect"
        ],
        [
          "past anterior",
          "past anterior"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "past perfect"
      ]
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "tense",
      "tags": [
        "common-gender"
      ],
      "word": "førdatid"
    },
    {
      "code": "fo",
      "lang": "Faroese",
      "sense": "tense",
      "tags": [
        "feminine"
      ],
      "word": "táliðin tíð"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "tense",
      "word": "pluskvamperfekti"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "tense",
      "tags": [
        "feminine"
      ],
      "word": "þáliðin tíð"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "tense",
      "tags": [
        "masculine"
      ],
      "word": "trapassato remoto"
    },
    {
      "code": "ml",
      "lang": "Malayalam",
      "roman": "pūṟṇṇabhūtakālaṁ",
      "sense": "tense",
      "word": "പൂർണ്ണഭൂതകാലം"
    },
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "gozashteye ba'id",
      "sense": "tense",
      "word": "گذشته ی بعید"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "tense",
      "word": "czas zaprzeszły"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "tense",
      "tags": [
        "masculine"
      ],
      "word": "pretérito mais-que-perfeito"
    }
  ],
  "word": "past perfect"
}