"доподлинно" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "допо́длинный",
        "3": "-о"
      },
      "expansion": "допо́длинный (dopódlinnyj) + -о (-o)",
      "name": "af"
    }
  ],
  "etymology_text": "допо́длинный (dopódlinnyj) + -о (-o)",
  "forms": [
    {
      "form": "допо́длинно",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dopódlinno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "допо́длинно"
      },
      "expansion": "допо́длинно • (dopódlinno)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms suffixed with -о",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "for sure"
      ],
      "id": "en-доподлинно-ru-adv-2LjB~qll",
      "links": [
        [
          "for sure",
          "for sure"
        ]
      ],
      "raw_glosses": [
        "(colloquial) for sure"
      ],
      "related": [
        {
          "roman": "dopódlinnyj",
          "word": "допо́длинный"
        },
        {
          "roman": "pódlinnyj",
          "word": "по́длинный"
        },
        {
          "roman": "pódlinno",
          "word": "по́длинно"
        },
        {
          "roman": "pódlinnostʹ",
          "word": "по́длинность"
        },
        {
          "roman": "pódlinnik",
          "word": "по́длинник"
        },
        {
          "roman": "dlínnyj",
          "word": "дли́нный"
        },
        {
          "roman": "dlínno",
          "word": "дли́нно"
        },
        {
          "roman": "dliná",
          "word": "длина́"
        },
        {
          "roman": "dlinnotá",
          "word": "длиннота́"
        },
        {
          "roman": "dlítʹsja",
          "tags": [
            "imperfective"
          ],
          "word": "дли́ться"
        },
        {
          "roman": "prodlítʹsja",
          "tags": [
            "perfective"
          ],
          "word": "продли́ться"
        },
        {
          "roman": "dlítelʹnyj",
          "word": "дли́тельный"
        },
        {
          "roman": "dlítelʹnostʹ",
          "word": "дли́тельность"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɐˈpodlʲɪn(ː)ə]"
    }
  ],
  "word": "доподлинно"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "допо́длинный",
        "3": "-о"
      },
      "expansion": "допо́длинный (dopódlinnyj) + -о (-o)",
      "name": "af"
    }
  ],
  "etymology_text": "допо́длинный (dopódlinnyj) + -о (-o)",
  "forms": [
    {
      "form": "допо́длинно",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dopódlinno",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "допо́длинно"
      },
      "expansion": "допо́длинно • (dopódlinno)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "dopódlinnyj",
      "word": "допо́длинный"
    },
    {
      "roman": "pódlinnyj",
      "word": "по́длинный"
    },
    {
      "roman": "pódlinno",
      "word": "по́длинно"
    },
    {
      "roman": "pódlinnostʹ",
      "word": "по́длинность"
    },
    {
      "roman": "pódlinnik",
      "word": "по́длинник"
    },
    {
      "roman": "dlínnyj",
      "word": "дли́нный"
    },
    {
      "roman": "dlínno",
      "word": "дли́нно"
    },
    {
      "roman": "dliná",
      "word": "длина́"
    },
    {
      "roman": "dlinnotá",
      "word": "длиннота́"
    },
    {
      "roman": "dlítʹsja",
      "tags": [
        "imperfective"
      ],
      "word": "дли́ться"
    },
    {
      "roman": "prodlítʹsja",
      "tags": [
        "perfective"
      ],
      "word": "продли́ться"
    },
    {
      "roman": "dlítelʹnyj",
      "word": "дли́тельный"
    },
    {
      "roman": "dlítelʹnostʹ",
      "word": "дли́тельность"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 4-syllable words",
        "Russian adverbs",
        "Russian colloquialisms",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms suffixed with -о",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "for sure"
      ],
      "links": [
        [
          "for sure",
          "for sure"
        ]
      ],
      "raw_glosses": [
        "(colloquial) for sure"
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[dɐˈpodlʲɪn(ː)ə]"
    }
  ],
  "word": "доподлинно"
}