"off-book" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective",
        "head": "off-book"
      },
      "expansion": "off-book",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Theater",
          "orig": "en:Theater",
          "parents": [
            "Art",
            "Entertainment",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Able to perform scripted material from memory, without need to refer to the text."
      ],
      "id": "en-off-book-en-adj-1w~~p3li",
      "links": [
        [
          "theater",
          "theater"
        ]
      ],
      "raw_glosses": [
        "(theater) Able to perform scripted material from memory, without need to refer to the text."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "theater"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Accounting",
          "orig": "en:Accounting",
          "parents": [
            "Finance",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2013, James Palmer, ‘Kept women’, Aeon:",
          "text": "An enormous amount of off-book money sloshes around Chinese business and officialdom, and some of it runs into handbags.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Off the books, not officially recorded."
      ],
      "id": "en-off-book-en-adj-HISayCFp",
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ],
        [
          "Off the books",
          "off the books"
        ]
      ],
      "raw_glosses": [
        "(accounting) Off the books, not officially recorded."
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ]
    }
  ],
  "word": "off-book"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective",
        "head": "off-book"
      },
      "expansion": "off-book",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "en:Theater"
      ],
      "glosses": [
        "Able to perform scripted material from memory, without need to refer to the text."
      ],
      "links": [
        [
          "theater",
          "theater"
        ]
      ],
      "raw_glosses": [
        "(theater) Able to perform scripted material from memory, without need to refer to the text."
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "theater"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Accounting"
      ],
      "examples": [
        {
          "ref": "2013, James Palmer, ‘Kept women’, Aeon:",
          "text": "An enormous amount of off-book money sloshes around Chinese business and officialdom, and some of it runs into handbags.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Off the books, not officially recorded."
      ],
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ],
        [
          "Off the books",
          "off the books"
        ]
      ],
      "raw_glosses": [
        "(accounting) Off the books, not officially recorded."
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ]
    }
  ],
  "word": "off-book"
}