"NG" meaning in Japonais

{
  "antonyms": [
    {
      "word": "OK"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Mots en japonais issus d’un mot en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(XXᵉ siècle) Initiales de l’anglais no good, lui-même attesté dans The Comprehensive Standard Dictionary of the English Language (1909) et dans Students’ Edition of a Standard Dictionary of the English Language (1915)."
  ],
  "forms": [
    {
      "form": "エヌジー",
      "tags": [
        "katakana"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Pas acceptable. Pas bon."
      ],
      "id": "fr-NG-ja-noun-wCdR6qJ~"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en japonais du cinéma",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Bêtisier."
      ],
      "id": "fr-NG-ja-noun-~fFN3N0O",
      "topics": [
        "film"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\e.nɯ.dʑiː\\"
    }
  ],
  "word": "NG"
}

{
  "antonyms": [
    {
      "word": "OK"
    }
  ],
  "categories": [
    "Mots en japonais issus d’un mot en anglais",
    "Noms communs en japonais",
    "japonais"
  ],
  "etymology_texts": [
    "(XXᵉ siècle) Initiales de l’anglais no good, lui-même attesté dans The Comprehensive Standard Dictionary of the English Language (1909) et dans Students’ Edition of a Standard Dictionary of the English Language (1915)."
  ],
  "forms": [
    {
      "form": "エヌジー",
      "tags": [
        "katakana"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Pas acceptable. Pas bon."
      ]
    },
    {
      "categories": [
        "Lexique en japonais du cinéma"
      ],
      "glosses": [
        "Bêtisier."
      ],
      "topics": [
        "film"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\e.nɯ.dʑiː\\"
    }
  ],
  "word": "NG"
}