"бдительней" meaning in Russian

{
  "forms": [
    {
      "form": "бди́тельней",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bdítelʹnej",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "comparative adjective",
        "cat2": "comparative adverbs",
        "head": "бди́тельней",
        "tr": ""
      },
      "expansion": "бди́тельней • (bdítelʹnej)",
      "name": "head"
    },
    {
      "args": {
        "1": "бди́тельней"
      },
      "expansion": "бди́тельней • (bdítelʹnej)",
      "name": "ru-comparative"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "bdítelʹnyj",
          "word": "бди́тельный"
        }
      ],
      "glosses": [
        "comparative degree of бди́тельный (bdítelʹnyj)"
      ],
      "id": "en-бдительней-ru-adv-V3YHqmK4",
      "links": [
        [
          "бди́тельный",
          "бдительный#Russian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "bdítelʹno",
          "word": "бди́тельно"
        }
      ],
      "glosses": [
        "comparative degree of бди́тельно (bdítelʹno)"
      ],
      "id": "en-бдительней-ru-adv-s2gadH3h",
      "links": [
        [
          "бди́тельно",
          "бдительно#Russian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "roman": "pobdítelʹneje",
      "word": "побди́тельнее"
    },
    {
      "_dis1": "0 0",
      "roman": "pobdítelʹnej",
      "word": "побди́тельней"
    },
    {
      "_dis1": "0 0",
      "roman": "bdítelʹneje",
      "word": "бди́тельнее"
    }
  ],
  "word": "бдительней"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian comparative adjectives",
    "Russian comparative adverbs",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms"
  ],
  "forms": [
    {
      "form": "бди́тельней",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bdítelʹnej",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "comparative adjective",
        "cat2": "comparative adverbs",
        "head": "бди́тельней",
        "tr": ""
      },
      "expansion": "бди́тельней • (bdítelʹnej)",
      "name": "head"
    },
    {
      "args": {
        "1": "бди́тельней"
      },
      "expansion": "бди́тельней • (bdítelʹnej)",
      "name": "ru-comparative"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Russian comparative adjectives"
      ],
      "form_of": [
        {
          "extra": "bdítelʹnyj",
          "word": "бди́тельный"
        }
      ],
      "glosses": [
        "comparative degree of бди́тельный (bdítelʹnyj)"
      ],
      "links": [
        [
          "бди́тельный",
          "бдительный#Russian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    },
    {
      "categories": [
        "Russian comparative adverbs"
      ],
      "form_of": [
        {
          "extra": "bdítelʹno",
          "word": "бди́тельно"
        }
      ],
      "glosses": [
        "comparative degree of бди́тельно (bdítelʹno)"
      ],
      "links": [
        [
          "бди́тельно",
          "бдительно#Russian"
        ]
      ],
      "tags": [
        "comparative",
        "form-of"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "pobdítelʹneje",
      "word": "побди́тельнее"
    },
    {
      "roman": "pobdítelʹnej",
      "word": "побди́тельней"
    },
    {
      "roman": "bdítelʹneje",
      "word": "бди́тельнее"
    }
  ],
  "word": "бдительней"
}