"leadenly" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leaden",
        "3": "ly"
      },
      "expansion": "leaden + -ly",
      "name": "suffix"
    }
  ],
  "etymology_text": "leaden + -ly",
  "forms": [
    {
      "form": "more leadenly",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most leadenly",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "leadenly (comparative more leadenly, superlative most leadenly)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ly",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008 February 9, Ben Brantley, “An Indomitable Diva Played by, Well, an ...”, in New York Times",
          "text": "The post-hippie urban style of 1970 comes across as so leadenly soggy that it’s beyond sending up.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In a leaden manner."
      ],
      "id": "en-leadenly-en-adv-esLiA9nc",
      "links": [
        [
          "leaden",
          "leaden"
        ]
      ]
    }
  ],
  "word": "leadenly"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leaden",
        "3": "ly"
      },
      "expansion": "leaden + -ly",
      "name": "suffix"
    }
  ],
  "etymology_text": "leaden + -ly",
  "forms": [
    {
      "form": "more leadenly",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most leadenly",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "leadenly (comparative more leadenly, superlative most leadenly)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ly",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2008 February 9, Ben Brantley, “An Indomitable Diva Played by, Well, an ...”, in New York Times",
          "text": "The post-hippie urban style of 1970 comes across as so leadenly soggy that it’s beyond sending up.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In a leaden manner."
      ],
      "links": [
        [
          "leaden",
          "leaden"
        ]
      ]
    }
  ],
  "word": "leadenly"
}