"Walter Mitty" meaning in English

{
  "etymology_text": "From the main character in a short story, The Secret Life of Walter Mitty (1939), by James Thurber.",
  "forms": [
    {
      "form": "Walter Mittys",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "Walter Mitties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "Walter Mitties"
      },
      "expansion": "Walter Mitty (plural Walter Mittys or Walter Mitties)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A sad or pathetic person given to flights of fancy; a daydreamer."
      ],
      "id": "en-Walter_Mitty-en-noun-OkaRszrd",
      "links": [
        [
          "flights of fancy",
          "flight of fancy"
        ],
        [
          "daydreamer",
          "daydreamer"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "51 49",
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "_dis1": "43 57",
          "word": "Mittyesque"
        },
        {
          "_dis1": "43 57",
          "word": "Walter Mittyish"
        },
        {
          "_dis1": "43 57",
          "word": "Walter Mitty syndrome"
        }
      ],
      "glosses": [
        "An imposter, especially one falsely claiming to have done military service."
      ],
      "id": "en-Walter_Mitty-en-noun-bw2VixnZ",
      "links": [
        [
          "imposter",
          "imposter"
        ]
      ]
    }
  ],
  "wikipedia": [
    "The Secret Life of Walter Mitty"
  ],
  "word": "Walter Mitty"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with language name categories using raw markup",
    "English eponyms",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys"
  ],
  "derived": [
    {
      "word": "Mittyesque"
    },
    {
      "word": "Walter Mittyish"
    },
    {
      "word": "Walter Mitty syndrome"
    }
  ],
  "etymology_text": "From the main character in a short story, The Secret Life of Walter Mitty (1939), by James Thurber.",
  "forms": [
    {
      "form": "Walter Mittys",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "Walter Mitties",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "Walter Mitties"
      },
      "expansion": "Walter Mitty (plural Walter Mittys or Walter Mitties)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A sad or pathetic person given to flights of fancy; a daydreamer."
      ],
      "links": [
        [
          "flights of fancy",
          "flight of fancy"
        ],
        [
          "daydreamer",
          "daydreamer"
        ]
      ]
    },
    {
      "glosses": [
        "An imposter, especially one falsely claiming to have done military service."
      ],
      "links": [
        [
          "imposter",
          "imposter"
        ]
      ]
    }
  ],
  "wikipedia": [
    "The Secret Life of Walter Mitty"
  ],
  "word": "Walter Mitty"
}