"thundrous" meaning in English

{
  "forms": [
    {
      "form": "more thundrous",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most thundrous",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thundrous (comparative more thundrous, superlative most thundrous)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "thunderous"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1847, Alfred Tennyson, “(please specify the page number, or |part=Prologue, I to VII, or conclusion)”, in The Princess: A Medley, London: Edward Moxon, […], →OCLC:",
          "text": "scraps of thundrous epic",
          "type": "quote"
        }
      ],
      "glosses": [
        "Obsolete form of thunderous."
      ],
      "id": "en-thundrous-en-adj-Djxh2U7i",
      "links": [
        [
          "thunderous",
          "thunderous#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "thundrous"
}

{
  "forms": [
    {
      "form": "more thundrous",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most thundrous",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thundrous (comparative more thundrous, superlative most thundrous)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "thunderous"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English obsolete forms",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1847, Alfred Tennyson, “(please specify the page number, or |part=Prologue, I to VII, or conclusion)”, in The Princess: A Medley, London: Edward Moxon, […], →OCLC:",
          "text": "scraps of thundrous epic",
          "type": "quote"
        }
      ],
      "glosses": [
        "Obsolete form of thunderous."
      ],
      "links": [
        [
          "thunderous",
          "thunderous#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "thundrous"
}