"tautologous" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tautology",
        "3": "ous"
      },
      "expansion": "tautology + -ous",
      "name": "suffix"
    }
  ],
  "etymology_text": "tautology + -ous",
  "forms": [
    {
      "form": "more tautologous",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most tautologous",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tautologous (comparative more tautologous, superlative most tautologous)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "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 -ous",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Logic",
          "orig": "en:Logic",
          "parents": [
            "Formal sciences",
            "Philosophy",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Pertaining to a tautology; tautological."
      ],
      "id": "en-tautologous-en-adj-bqC6kOGX",
      "links": [
        [
          "tautology",
          "tautology"
        ],
        [
          "tautological",
          "tautological"
        ]
      ]
    }
  ],
  "word": "tautologous"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tautology",
        "3": "ous"
      },
      "expansion": "tautology + -ous",
      "name": "suffix"
    }
  ],
  "etymology_text": "tautology + -ous",
  "forms": [
    {
      "form": "more tautologous",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most tautologous",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tautologous (comparative more tautologous, superlative most tautologous)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ous",
        "en:Logic"
      ],
      "glosses": [
        "Pertaining to a tautology; tautological."
      ],
      "links": [
        [
          "tautology",
          "tautology"
        ],
        [
          "tautological",
          "tautological"
        ]
      ]
    }
  ],
  "word": "tautologous"
}