"dumbed" meaning in English

{
  "forms": [
    {
      "form": "more dumbed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most dumbed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dumbed (comparative more dumbed, superlative most dumbed)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "26 12 7 33 22",
          "kind": "other",
          "name": "East Central German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "67 33",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "7 14 0 56 24",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "5 10 0 53 32",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "dumbed-down"
        }
      ],
      "examples": [
        {
          "ref": "1963, Dennis Brutus, “This Sun on this Rubble”, in Gerald Moore, Ulli Beier, editors, Modern Poetry From Africa, new edition, Harmondsworth, Middlesex: Penguin Books, page 214:",
          "text": "Sharpevilled to spearpoints for revenging / but now our pride-dumbed mouths are wide in wordless supplication",
          "type": "quote"
        }
      ],
      "glosses": [
        "That has been made dumb (speechless)."
      ],
      "id": "en-dumbed-en-adj-MTaZfeHL",
      "links": [
        [
          "dumb",
          "dumb#Adjective"
        ],
        [
          "speechless",
          "speechless#Adjective"
        ]
      ],
      "raw_glosses": [
        "(chiefly literary or poetic) That has been made dumb (speechless)."
      ],
      "tags": [
        "literary",
        "poetic"
      ]
    }
  ],
  "word": "dumbed"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "dumbed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "dumb"
        }
      ],
      "glosses": [
        "simple past and past participle of dumb"
      ],
      "id": "en-dumbed-en-verb-5ujQVmAG",
      "links": [
        [
          "dumb",
          "dumb#English"
        ]
      ],
      "related": [
        {
          "word": "dumbed-down"
        }
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "dumbed"
}

{
  "categories": [
    "East Central German adjectives",
    "East Central German entries with incorrect language header",
    "East Central German lemmas",
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English verb forms",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "dumbed-down"
    }
  ],
  "forms": [
    {
      "form": "more dumbed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most dumbed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dumbed (comparative more dumbed, superlative most dumbed)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English literary terms",
        "English poetic terms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1963, Dennis Brutus, “This Sun on this Rubble”, in Gerald Moore, Ulli Beier, editors, Modern Poetry From Africa, new edition, Harmondsworth, Middlesex: Penguin Books, page 214:",
          "text": "Sharpevilled to spearpoints for revenging / but now our pride-dumbed mouths are wide in wordless supplication",
          "type": "quote"
        }
      ],
      "glosses": [
        "That has been made dumb (speechless)."
      ],
      "links": [
        [
          "dumb",
          "dumb#Adjective"
        ],
        [
          "speechless",
          "speechless#Adjective"
        ]
      ],
      "raw_glosses": [
        "(chiefly literary or poetic) That has been made dumb (speechless)."
      ],
      "tags": [
        "literary",
        "poetic"
      ]
    }
  ],
  "word": "dumbed"
}

{
  "categories": [
    "East Central German adjectives",
    "East Central German entries with incorrect language header",
    "East Central German lemmas",
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English verb forms",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "dumbed",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "dumbed-down"
    }
  ],
  "senses": [
    {
      "form_of": [
        {
          "word": "dumb"
        }
      ],
      "glosses": [
        "simple past and past participle of dumb"
      ],
      "links": [
        [
          "dumb",
          "dumb#English"
        ]
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "dumbed"
}