"niente niente" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "nothing nothing"
      },
      "expansion": "“nothing nothing”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "nothing nothing"
      },
      "expansion": "Literally, “nothing nothing”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “nothing nothing”.",
  "head_templates": [
    {
      "args": {},
      "expansion": "niente niente",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian 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"
        },
        {
          "kind": "other",
          "name": "Regional Italian",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of sotto sotto"
      ],
      "id": "en-niente_niente-it-adv-QzxgZSDw",
      "links": [
        [
          "regional",
          "regional#English"
        ],
        [
          "sotto sotto",
          "sotto sotto#Italian"
        ]
      ],
      "raw_glosses": [
        "(colloquial, regional) Synonym of sotto sotto"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "sotto sotto"
        }
      ],
      "tags": [
        "colloquial",
        "regional"
      ]
    }
  ],
  "word": "niente niente"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nothing nothing"
      },
      "expansion": "“nothing nothing”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "nothing nothing"
      },
      "expansion": "Literally, “nothing nothing”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “nothing nothing”.",
  "head_templates": [
    {
      "args": {},
      "expansion": "niente niente",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian colloquialisms",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Pages with 1 entry",
        "Pages with entries",
        "Regional Italian"
      ],
      "glosses": [
        "Synonym of sotto sotto"
      ],
      "links": [
        [
          "regional",
          "regional#English"
        ],
        [
          "sotto sotto",
          "sotto sotto#Italian"
        ]
      ],
      "raw_glosses": [
        "(colloquial, regional) Synonym of sotto sotto"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "sotto sotto"
        }
      ],
      "tags": [
        "colloquial",
        "regional"
      ]
    }
  ],
  "word": "niente niente"
}