"dire du mal" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "dire du mal",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "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": [
        "to speak ill of, to cast aspersions on, to badmouth, to slag off, to backbite, to talk about (someone) behind their back"
      ],
      "id": "en-dire_du_mal-fr-verb-cch4x2GB",
      "info_templates": [
        {
          "args": {
            "1": "fr",
            "2": ":de<someone>"
          },
          "expansion": "[with de ‘someone’]",
          "extra_data": {
            "words": [
              "de",
              "‘someone’"
            ]
          },
          "name": "+obj"
        }
      ],
      "links": [
        [
          "speak ill of",
          "speak ill of"
        ],
        [
          "cast aspersions",
          "cast aspersions"
        ],
        [
          "badmouth",
          "badmouth"
        ],
        [
          "slag off",
          "slag off"
        ],
        [
          "backbite",
          "backbite"
        ],
        [
          "talk about",
          "talk about"
        ],
        [
          "behind their back",
          "behind someone's back"
        ]
      ],
      "raw_glosses": [
        "(informal) to speak ill of, to cast aspersions on, to badmouth, to slag off, to backbite, to talk about (someone) behind their back [with de ‘someone’]"
      ],
      "synonyms": [
        {
          "word": "médire"
        },
        {
          "word": "casser du sucre sur le dos de"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/diʁ dy mal/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-dire du mal.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav.ogg"
    }
  ],
  "word": "dire du mal"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "dire du mal",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French informal terms",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "to speak ill of, to cast aspersions on, to badmouth, to slag off, to backbite, to talk about (someone) behind their back"
      ],
      "info_templates": [
        {
          "args": {
            "1": "fr",
            "2": ":de<someone>"
          },
          "expansion": "[with de ‘someone’]",
          "extra_data": {
            "words": [
              "de",
              "‘someone’"
            ]
          },
          "name": "+obj"
        }
      ],
      "links": [
        [
          "speak ill of",
          "speak ill of"
        ],
        [
          "cast aspersions",
          "cast aspersions"
        ],
        [
          "badmouth",
          "badmouth"
        ],
        [
          "slag off",
          "slag off"
        ],
        [
          "backbite",
          "backbite"
        ],
        [
          "talk about",
          "talk about"
        ],
        [
          "behind their back",
          "behind someone's back"
        ]
      ],
      "raw_glosses": [
        "(informal) to speak ill of, to cast aspersions on, to badmouth, to slag off, to backbite, to talk about (someone) behind their back [with de ‘someone’]"
      ],
      "synonyms": [
        {
          "word": "médire"
        },
        {
          "word": "casser du sucre sur le dos de"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/diʁ dy mal/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-dire du mal.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/41/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav/LL-Q150_%28fra%29-LoquaxFR-dire_du_mal.wav.ogg"
    }
  ],
  "word": "dire du mal"
}