"non affatto" meaning in Italian

{
  "head_templates": [
    {
      "args": {},
      "expansion": "non affatto",
      "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"
        }
      ],
      "examples": [
        {
          "text": "“Sei stanco?” – “No, affatto!”\n“Are you tired?” – “Not at all!”",
          "type": "example"
        }
      ],
      "glosses": [
        "not at all"
      ],
      "id": "en-non_affatto-it-adv-1ECmOiAl",
      "links": [
        [
          "not at all",
          "not at all"
        ]
      ],
      "related": [
        {
          "word": "affatto"
        }
      ],
      "synonyms": [
        {
          "word": "per niente"
        }
      ]
    }
  ],
  "word": "non affatto"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "non affatto",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "related": [
    {
      "word": "affatto"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian terms with usage examples"
      ],
      "examples": [
        {
          "text": "“Sei stanco?” – “No, affatto!”\n“Are you tired?” – “Not at all!”",
          "type": "example"
        }
      ],
      "glosses": [
        "not at all"
      ],
      "links": [
        [
          "not at all",
          "not at all"
        ]
      ],
      "synonyms": [
        {
          "word": "per niente"
        }
      ]
    }
  ],
  "word": "non affatto"
}