"none the wiser" meaning in English

{
  "etymology_text": "See none the.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "none the wiser (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English negative polarity items",
          "parents": [
            "Negative polarity items",
            "Terms by semantic function"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "They were none the wiser from their experience",
          "type": "example"
        },
        {
          "text": "After the lecture, nobody was any the wiser on the subject.",
          "type": "example"
        },
        {
          "text": "He's very careful, so his victims are none the wiser",
          "type": "example"
        }
      ],
      "glosses": [
        "Not having learned something after a possible opportunity to do so; remaining unaware."
      ],
      "id": "en-none_the_wiser-en-adj-6UvEnSIN",
      "links": [
        [
          "unaware",
          "unaware"
        ]
      ],
      "related": [
        {
          "word": "any the wiser"
        }
      ],
      "synonyms": [
        {
          "word": "never the wiser"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "none the wiser"
}

{
  "etymology_text": "See none the.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "none the wiser (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "any the wiser"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English negative polarity items",
        "English terms with usage examples",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "They were none the wiser from their experience",
          "type": "example"
        },
        {
          "text": "After the lecture, nobody was any the wiser on the subject.",
          "type": "example"
        },
        {
          "text": "He's very careful, so his victims are none the wiser",
          "type": "example"
        }
      ],
      "glosses": [
        "Not having learned something after a possible opportunity to do so; remaining unaware."
      ],
      "links": [
        [
          "unaware",
          "unaware"
        ]
      ],
      "synonyms": [
        {
          "word": "never the wiser"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "none the wiser"
}