"lackbrain" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lack",
        "3": "brain"
      },
      "expansion": "lack + brain",
      "name": "compound"
    }
  ],
  "etymology_text": "From lack + brain.",
  "forms": [
    {
      "form": "lackbrains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lackbrain (plural lackbrains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
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          "source": "w"
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      ],
      "examples": [
        {
          "ref": "1841, George Rogers, Tales from Life:",
          "text": "Among themselves, his clerical brethren who employed him to produce revivals, acknowledged him to be but a pitiful lackbrain...",
          "type": "quote"
        },
        {
          "ref": "1995, Catherine Coulter, Lord of Falcon Ridge:",
          "text": "\"Is that clear enough, even for you, lackbrain?\"",
          "type": "quote"
        },
        {
          "ref": "2007, Sandra Hill, Down and Dirty:",
          "text": "One moment I was staring up at that lackbrain Sister Margaret, and the next I was staring at that lackbrain chieftain...",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person who lacks brains; an idiot."
      ],
      "id": "en-lackbrain-en-noun-5jrut7cH",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "brains",
          "brains"
        ],
        [
          "idiot",
          "idiot"
        ]
      ],
      "raw_glosses": [
        "(derogatory) A person who lacks brains; an idiot."
      ],
      "tags": [
        "derogatory"
      ]
    }
  ],
  "word": "lackbrain"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lack",
        "3": "brain"
      },
      "expansion": "lack + brain",
      "name": "compound"
    }
  ],
  "etymology_text": "From lack + brain.",
  "forms": [
    {
      "form": "lackbrains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lackbrain (plural lackbrains)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        "English compound terms",
        "English countable nouns",
        "English derogatory terms",
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      "examples": [
        {
          "ref": "1841, George Rogers, Tales from Life:",
          "text": "Among themselves, his clerical brethren who employed him to produce revivals, acknowledged him to be but a pitiful lackbrain...",
          "type": "quote"
        },
        {
          "ref": "1995, Catherine Coulter, Lord of Falcon Ridge:",
          "text": "\"Is that clear enough, even for you, lackbrain?\"",
          "type": "quote"
        },
        {
          "ref": "2007, Sandra Hill, Down and Dirty:",
          "text": "One moment I was staring up at that lackbrain Sister Margaret, and the next I was staring at that lackbrain chieftain...",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person who lacks brains; an idiot."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "brains",
          "brains"
        ],
        [
          "idiot",
          "idiot"
        ]
      ],
      "raw_glosses": [
        "(derogatory) A person who lacks brains; an idiot."
      ],
      "tags": [
        "derogatory"
      ]
    }
  ],
  "word": "lackbrain"
}