"double negative" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Wiktionnaire:Étymologies manquantes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Étymologie manquante ou incomplète. Si vous la connaissez, vous pouvez l’ajouter en cliquant ici."
  ],
  "forms": [
    {
      "form": "double negatives",
      "ipas": [
        "\\ˈdʌb.əl ˈnɛɡ.ə.tɪvz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la rhétorique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Double négation."
      ],
      "id": "fr-double_negative-en-noun-lt9xxIGu",
      "tags": [
        "rhetoric"
      ]
    }
  ],
  "word": "double negative"
}

{
  "categories": [
    "Locutions nominales en anglais",
    "Wiktionnaire:Étymologies manquantes en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Étymologie manquante ou incomplète. Si vous la connaissez, vous pouvez l’ajouter en cliquant ici."
  ],
  "forms": [
    {
      "form": "double negatives",
      "ipas": [
        "\\ˈdʌb.əl ˈnɛɡ.ə.tɪvz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Lexique en anglais de la rhétorique"
      ],
      "glosses": [
        "Double négation."
      ],
      "tags": [
        "rhetoric"
      ]
    }
  ],
  "word": "double negative"
}