"du siècle" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "of the century"
      },
      "expansion": "“of the century”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "of the century"
      },
      "expansion": "Literally, “of the century”",
      "name": "lit"
    },
    {
      "args": {
        "1": "de",
        "2": "Jahrhundertflut"
      },
      "expansion": "German Jahrhundertflut",
      "name": "cog"
    }
  ],
  "etymology_text": "Literally, “of the century”. Compare German Jahrhundertflut.\nCompare mal du siècle.",
  "head_templates": [
    {
      "args": {
        "inv": "1"
      },
      "expansion": "du siècle (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "the case of the century",
          "text": "l’affaire du siècle",
          "type": "example"
        },
        {
          "english": "the trial of the century",
          "text": "le procès du siècle",
          "type": "example"
        },
        {
          "english": "the scandal of the century",
          "text": "le scandale du siècle",
          "type": "example"
        }
      ],
      "glosses": [
        "of the century (biggest, greatest in living memory)"
      ],
      "id": "en-du_siècle-fr-adj-lt-aDLql",
      "links": [
        [
          "of the century",
          "of the century"
        ],
        [
          "big",
          "big#English"
        ],
        [
          "great",
          "great#English"
        ],
        [
          "in living memory",
          "in living memory#English"
        ]
      ],
      "tags": [
        "invariable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 54",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "the best idea ever",
          "text": "l’idée du siècle",
          "type": "example"
        },
        {
          "english": "the chance of a lifetime",
          "text": "la chance du siècle",
          "type": "example"
        },
        {
          "english": "a once-in-a-lifetime opportunity",
          "text": "l’opportunité du siècle",
          "type": "example"
        },
        {
          "english": "a once-in-a-lifetime offer, an extremely advantageous offer",
          "text": "l’offre du siècle",
          "type": "example"
        },
        {
          "ref": "2012, Élyse Poudrier, Ne me regarde pas sur ce ton, →ISBN:",
          "text": "– Tes parents ? Ils en pensent quoi ?\n– Ils sont très enthousiastes. Ils pensent que c’est l’idée du siècle.\n— ...\n— Oh, non ! Ne me sert^([sic]) pas ce petit silence éloquent ! J’ai dix-huit ans. Jusqu’à preuve du contraire, je paie mon cégep. Je paie mon loyer. Je fais donc ce qui me plaît. Je ne leur dois rien.",
          "type": "quote"
        },
        {
          "ref": "2015, Gérard Mordillat, La Brigade du rire, →ISBN:",
          "text": "On s’est retrouvé les deux voitures presque à touche touche et c’est là que Mumu a eu l’idée du siècle !\nDorith reprit, avalant sa salive :\n– Muriel a baissé sa vitre et a fait signe au vieux d’en faire autant...\n– Vous auriez vu sa tête ! pouffa Muriel.",
          "type": "quote"
        }
      ],
      "glosses": [
        "of a lifetime, once-in-a-lifetime"
      ],
      "id": "en-du_siècle-fr-adj-JWMV~zMi",
      "links": [
        [
          "of a lifetime",
          "of a lifetime"
        ],
        [
          "once-in-a-lifetime",
          "once-in-a-lifetime"
        ]
      ],
      "raw_glosses": [
        "(somewhat informal) of a lifetime, once-in-a-lifetime"
      ],
      "tags": [
        "informal",
        "invariable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dy sjɛkl/"
    }
  ],
  "word": "du siècle"
}

{
  "categories": [
    "French adjectives",
    "French entries with incorrect language header",
    "French lemmas",
    "French multiword terms",
    "French terms with IPA pronunciation",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "of the century"
      },
      "expansion": "“of the century”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "of the century"
      },
      "expansion": "Literally, “of the century”",
      "name": "lit"
    },
    {
      "args": {
        "1": "de",
        "2": "Jahrhundertflut"
      },
      "expansion": "German Jahrhundertflut",
      "name": "cog"
    }
  ],
  "etymology_text": "Literally, “of the century”. Compare German Jahrhundertflut.\nCompare mal du siècle.",
  "head_templates": [
    {
      "args": {
        "inv": "1"
      },
      "expansion": "du siècle (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French terms with usage examples"
      ],
      "examples": [
        {
          "english": "the case of the century",
          "text": "l’affaire du siècle",
          "type": "example"
        },
        {
          "english": "the trial of the century",
          "text": "le procès du siècle",
          "type": "example"
        },
        {
          "english": "the scandal of the century",
          "text": "le scandale du siècle",
          "type": "example"
        }
      ],
      "glosses": [
        "of the century (biggest, greatest in living memory)"
      ],
      "links": [
        [
          "of the century",
          "of the century"
        ],
        [
          "big",
          "big#English"
        ],
        [
          "great",
          "great#English"
        ],
        [
          "in living memory",
          "in living memory#English"
        ]
      ],
      "tags": [
        "invariable"
      ]
    },
    {
      "categories": [
        "French informal terms",
        "French terms with quotations",
        "French terms with usage examples",
        "Requests for translations of French quotations"
      ],
      "examples": [
        {
          "english": "the best idea ever",
          "text": "l’idée du siècle",
          "type": "example"
        },
        {
          "english": "the chance of a lifetime",
          "text": "la chance du siècle",
          "type": "example"
        },
        {
          "english": "a once-in-a-lifetime opportunity",
          "text": "l’opportunité du siècle",
          "type": "example"
        },
        {
          "english": "a once-in-a-lifetime offer, an extremely advantageous offer",
          "text": "l’offre du siècle",
          "type": "example"
        },
        {
          "ref": "2012, Élyse Poudrier, Ne me regarde pas sur ce ton, →ISBN:",
          "text": "– Tes parents ? Ils en pensent quoi ?\n– Ils sont très enthousiastes. Ils pensent que c’est l’idée du siècle.\n— ...\n— Oh, non ! Ne me sert^([sic]) pas ce petit silence éloquent ! J’ai dix-huit ans. Jusqu’à preuve du contraire, je paie mon cégep. Je paie mon loyer. Je fais donc ce qui me plaît. Je ne leur dois rien.",
          "type": "quote"
        },
        {
          "ref": "2015, Gérard Mordillat, La Brigade du rire, →ISBN:",
          "text": "On s’est retrouvé les deux voitures presque à touche touche et c’est là que Mumu a eu l’idée du siècle !\nDorith reprit, avalant sa salive :\n– Muriel a baissé sa vitre et a fait signe au vieux d’en faire autant...\n– Vous auriez vu sa tête ! pouffa Muriel.",
          "type": "quote"
        }
      ],
      "glosses": [
        "of a lifetime, once-in-a-lifetime"
      ],
      "links": [
        [
          "of a lifetime",
          "of a lifetime"
        ],
        [
          "once-in-a-lifetime",
          "once-in-a-lifetime"
        ]
      ],
      "raw_glosses": [
        "(somewhat informal) of a lifetime, once-in-a-lifetime"
      ],
      "tags": [
        "informal",
        "invariable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dy sjɛkl/"
    }
  ],
  "word": "du siècle"
}