"courrier indésirable" meaning in French

{
  "forms": [
    {
      "form": "courriers indésirables",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "~"
      },
      "expansion": "courrier indésirable m (countable and uncountable, plural courriers indésirables)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "fr",
          "name": "E-mail",
          "orig": "fr:E-mail",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of courriel indésirable"
      ],
      "id": "en-courrier_indésirable-fr-noun-wZLvcQCl",
      "links": [
        [
          "courriel indésirable",
          "courriel indésirable#French"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "courriel indésirable"
        }
      ],
      "tags": [
        "countable",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ku.ʁje ɛ̃.de.zi.ʁabl/"
    }
  ],
  "word": "courrier indésirable"
}

{
  "forms": [
    {
      "form": "courriers indésirables",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "~"
      },
      "expansion": "courrier indésirable m (countable and uncountable, plural courriers indésirables)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French terms with IPA pronunciation",
        "French uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:E-mail"
      ],
      "glosses": [
        "Synonym of courriel indésirable"
      ],
      "links": [
        [
          "courriel indésirable",
          "courriel indésirable#French"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "courriel indésirable"
        }
      ],
      "tags": [
        "countable",
        "masculine",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ku.ʁje ɛ̃.de.zi.ʁabl/"
    }
  ],
  "word": "courrier indésirable"
}