"トンデモ" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "とんでもない",
        "2": "",
        "3": "extraordinary, outrageous, completely unexpected"
      },
      "expansion": "とんでもない (tondemonai, “extraordinary, outrageous, completely unexpected”)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "From とんでもない (tondemonai, “extraordinary, outrageous, completely unexpected”).",
  "forms": [
    {
      "form": "tondemo-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "prefix"
      },
      "expansion": "トンデモ • (tondemo-)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese katakana",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "crazy research",
          "roman": "tondemo-kenkyū",
          "ruby": [
            [
              "研",
              "けん"
            ],
            [
              "究",
              "きゅう"
            ]
          ],
          "text": "トンデモ研究"
        },
        {
          "english": "ridiculous theory",
          "roman": "tondemo-riron",
          "ruby": [
            [
              "理",
              "り"
            ],
            [
              "論",
              "ろん"
            ]
          ],
          "text": "トンデモ理論"
        }
      ],
      "glosses": [
        "outrageous, crazy"
      ],
      "id": "en-トンデモ-ja-prefix-JnbTBz-w",
      "links": [
        [
          "outrageous",
          "outrageous"
        ],
        [
          "crazy",
          "crazy"
        ]
      ],
      "raw_glosses": [
        "(informal) outrageous, crazy"
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tõ̞nde̞mo̞]"
    }
  ],
  "word": "トンデモ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "とんでもない",
        "2": "",
        "3": "extraordinary, outrageous, completely unexpected"
      },
      "expansion": "とんでもない (tondemonai, “extraordinary, outrageous, completely unexpected”)",
      "name": "ja-r"
    }
  ],
  "etymology_text": "From とんでもない (tondemonai, “extraordinary, outrageous, completely unexpected”).",
  "forms": [
    {
      "form": "tondemo-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "prefix"
      },
      "expansion": "トンデモ • (tondemo-)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese informal terms",
        "Japanese katakana",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese prefixes",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples"
      ],
      "examples": [
        {
          "english": "crazy research",
          "roman": "tondemo-kenkyū",
          "ruby": [
            [
              "研",
              "けん"
            ],
            [
              "究",
              "きゅう"
            ]
          ],
          "text": "トンデモ研究"
        },
        {
          "english": "ridiculous theory",
          "roman": "tondemo-riron",
          "ruby": [
            [
              "理",
              "り"
            ],
            [
              "論",
              "ろん"
            ]
          ],
          "text": "トンデモ理論"
        }
      ],
      "glosses": [
        "outrageous, crazy"
      ],
      "links": [
        [
          "outrageous",
          "outrageous"
        ],
        [
          "crazy",
          "crazy"
        ]
      ],
      "raw_glosses": [
        "(informal) outrageous, crazy"
      ],
      "tags": [
        "informal",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tõ̞nde̞mo̞]"
    }
  ],
  "word": "トンデモ"
}