"grand max" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grand maximum"
      },
      "expansion": "Clipping of grand maximum",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of grand maximum.",
  "forms": [
    {
      "form": "grand max’",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand max",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "tops, at most"
      ],
      "id": "en-grand_max-fr-adv-xCPqLon4",
      "links": [
        [
          "tops",
          "tops"
        ],
        [
          "at most",
          "at most"
        ]
      ],
      "raw_glosses": [
        "(informal) tops, at most"
      ],
      "synonyms": [
        {
          "word": "au plus"
        },
        {
          "word": "tout au plus"
        },
        {
          "word": "à tout casser"
        },
        {
          "word": "grand maximum"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɑ̃ maks/"
    }
  ],
  "word": "grand max"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "grand maximum"
      },
      "expansion": "Clipping of grand maximum",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of grand maximum.",
  "forms": [
    {
      "form": "grand max’",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grand max",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "French adverbs",
        "French clippings",
        "French entries with incorrect language header",
        "French informal terms",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "tops, at most"
      ],
      "links": [
        [
          "tops",
          "tops"
        ],
        [
          "at most",
          "at most"
        ]
      ],
      "raw_glosses": [
        "(informal) tops, at most"
      ],
      "synonyms": [
        {
          "word": "au plus"
        },
        {
          "word": "tout au plus"
        },
        {
          "word": "à tout casser"
        },
        {
          "word": "grand maximum"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɑ̃ maks/"
    }
  ],
  "word": "grand max"
}