"なんか" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Pronoms indéfinis en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Dérivé de 何, nani (« quoi, qu’est-ce que, quel ») avec la particule interrogative か, ka."
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "pron",
  "pos_title": "Pronom indéfini",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes populaires en japonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Quelque chose."
      ],
      "id": "fr-なんか-ja-pron-7MJ-xnGD",
      "raw_tags": [
        "Populaire"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes populaires en japonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Avoir quelque chose de."
      ],
      "id": "fr-なんか-ja-pron-GgRGyZBZ",
      "raw_tags": [
        "Populaire"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\naŋ.ka\\"
    }
  ],
  "synonyms": [
    {
      "roman": "nanika",
      "translation": "quelque chose, avoir quelque chose de",
      "word": "何か"
    }
  ],
  "tags": [
    "indefinite"
  ],
  "word": "なんか"
}

{
  "categories": [
    "Pronoms indéfinis en japonais",
    "japonais"
  ],
  "etymology_texts": [
    "Dérivé de 何, nani (« quoi, qu’est-ce que, quel ») avec la particule interrogative か, ka."
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "pron",
  "pos_title": "Pronom indéfini",
  "senses": [
    {
      "categories": [
        "Termes populaires en japonais"
      ],
      "glosses": [
        "Quelque chose."
      ],
      "raw_tags": [
        "Populaire"
      ]
    },
    {
      "categories": [
        "Termes populaires en japonais"
      ],
      "glosses": [
        "Avoir quelque chose de."
      ],
      "raw_tags": [
        "Populaire"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\naŋ.ka\\"
    }
  ],
  "synonyms": [
    {
      "roman": "nanika",
      "translation": "quelque chose, avoir quelque chose de",
      "word": "何か"
    }
  ],
  "tags": [
    "indefinite"
  ],
  "word": "なんか"
}