"sound and fury" meaning in English

{
  "etymology_text": "From Shakespeare's play Macbeth, in which life is said to be \"a tale / Told by an idiot, full of sound and fury, / Signifying nothing\".",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sound and fury (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "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": "2003, New African (issues 414-424, page 5)",
          "text": "[…] I met Babu in the Ugandan capital, Kampula, during the Pan African Movement meeting and he was full of sound and fury, backing the divisive (and now discredited) ethnic politics of the regime in Ethiopia. In fact, Babu was a radical nationalist who was never able to surpass the limitations of his \"island\" […]"
        }
      ],
      "glosses": [
        "Impotent or meaningless ranting."
      ],
      "id": "en-sound_and_fury-en-noun-aCOMZJkU",
      "links": [
        [
          "Impotent",
          "impotent#English"
        ],
        [
          "meaningless",
          "meaningless"
        ],
        [
          "rant",
          "rant"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "sound and fury"
}

{
  "etymology_text": "From Shakespeare's play Macbeth, in which life is said to be \"a tale / Told by an idiot, full of sound and fury, / Signifying nothing\".",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sound and fury (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2003, New African (issues 414-424, page 5)",
          "text": "[…] I met Babu in the Ugandan capital, Kampula, during the Pan African Movement meeting and he was full of sound and fury, backing the divisive (and now discredited) ethnic politics of the regime in Ethiopia. In fact, Babu was a radical nationalist who was never able to surpass the limitations of his \"island\" […]"
        }
      ],
      "glosses": [
        "Impotent or meaningless ranting."
      ],
      "links": [
        [
          "Impotent",
          "impotent#English"
        ],
        [
          "meaningless",
          "meaningless"
        ],
        [
          "rant",
          "rant"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "sound and fury"
}