"thickheaded" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "thick",
        "3": "headed"
      },
      "expansion": "thick + headed",
      "name": "compound"
    }
  ],
  "etymology_text": "From thick + headed.",
  "forms": [
    {
      "form": "more thickheaded",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most thickheaded",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thickheaded (comparative more thickheaded, superlative most thickheaded)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "stupid, obtuse or dumb."
      ],
      "id": "en-thickheaded-en-adj-Lreu0Zg9",
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "obtuse",
          "obtuse"
        ],
        [
          "dumb",
          "dumb"
        ]
      ],
      "raw_glosses": [
        "(informal) stupid, obtuse or dumb."
      ],
      "related": [
        {
          "word": "thickhead"
        }
      ],
      "synonyms": [
        {
          "word": "thick-skulled"
        },
        {
          "word": "stupid"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "thickheaded"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "thick",
        "3": "headed"
      },
      "expansion": "thick + headed",
      "name": "compound"
    }
  ],
  "etymology_text": "From thick + headed.",
  "forms": [
    {
      "form": "more thickheaded",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most thickheaded",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "thickheaded (comparative more thickheaded, superlative most thickheaded)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "thickhead"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English parasynthetic adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "stupid, obtuse or dumb."
      ],
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "obtuse",
          "obtuse"
        ],
        [
          "dumb",
          "dumb"
        ]
      ],
      "raw_glosses": [
        "(informal) stupid, obtuse or dumb."
      ],
      "synonyms": [
        {
          "word": "thick-skulled"
        },
        {
          "word": "stupid"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "thickheaded"
}