"fever pitch" meaning in English

{
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      "expansion": "fever pitch (uncountable)",
      "name": "en-noun"
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  "hyphenation": [
    "fe‧ver"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "ref": "1837, J. G. Lockhart, Memoirs of the Life of Sir Water Scott, Bart., volume i, Philadelphia: Carey, Lea & Blanchard, page 312:",
          "text": "[T]here was a wonderful exhilaration about it all: my blood was kept at fever-pitch",
          "type": "quote"
        },
        {
          "ref": "2013 November 3, Delme Parfitt, “Cardiff City 1 – 0 Swansea City: Steven Caulker heads Bluebirds to South Wales derby win”, in Wales Online:",
          "text": "After all the hype, all the fever pitch build-up, the encounter never really lived up to expectations – as is so often the case with derbies – and the atmosphere was even a little subdued at times.",
          "type": "quote"
        },
        {
          "ref": "2022 January 12, Benedict le Vay, “The heroes of Soham...”, in RAIL, number 948, page 42:",
          "text": "The Second World War was reaching fever pitch, with the entire Allied effort in top gear for the imminent invasion of Europe, while later that month buzz bombs would start falling on London.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Extreme excitement."
      ],
      "id": "en-fever_pitch-en-noun-8Pj4ySaK",
      "links": [
        [
          "excitement",
          "excitement"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Extreme excitement."
      ],
      "tags": [
        "idiomatic",
        "uncountable"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "extreme excitement",
          "word": "極度狂熱"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "jídù kuángrè",
          "sense": "extreme excitement",
          "word": "极度狂热"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "extreme excitement",
          "word": "高度興奮"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "gāodù xīngfèn",
          "sense": "extreme excitement",
          "word": "高度兴奋"
        },
        {
          "code": "et",
          "lang": "Estonian",
          "sense": "extreme excitement",
          "word": "haripunkt"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "extreme excitement",
          "word": "kiihkeys"
        }
      ]
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  "sounds": [
    {
      "ipa": "/ˈfiːvə pɪtʃ/",
      "tags": [
        "Received-Pronunciation"
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    },
    {
      "ipa": "/ˈfivɚ pɪtʃ/",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "en-au-fever pitch.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/26/En-au-fever_pitch.ogg/En-au-fever_pitch.ogg.mp3",
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  "word": "fever pitch"
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      "expansion": "fever pitch (uncountable)",
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  "hyphenation": [
    "fe‧ver"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "1837, J. G. Lockhart, Memoirs of the Life of Sir Water Scott, Bart., volume i, Philadelphia: Carey, Lea & Blanchard, page 312:",
          "text": "[T]here was a wonderful exhilaration about it all: my blood was kept at fever-pitch",
          "type": "quote"
        },
        {
          "ref": "2013 November 3, Delme Parfitt, “Cardiff City 1 – 0 Swansea City: Steven Caulker heads Bluebirds to South Wales derby win”, in Wales Online:",
          "text": "After all the hype, all the fever pitch build-up, the encounter never really lived up to expectations – as is so often the case with derbies – and the atmosphere was even a little subdued at times.",
          "type": "quote"
        },
        {
          "ref": "2022 January 12, Benedict le Vay, “The heroes of Soham...”, in RAIL, number 948, page 42:",
          "text": "The Second World War was reaching fever pitch, with the entire Allied effort in top gear for the imminent invasion of Europe, while later that month buzz bombs would start falling on London.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Extreme excitement."
      ],
      "links": [
        [
          "excitement",
          "excitement"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Extreme excitement."
      ],
      "tags": [
        "idiomatic",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈfiːvə pɪtʃ/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈfivɚ pɪtʃ/",
      "tags": [
        "General-American"
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "extreme excitement",
      "word": "極度狂熱"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "jídù kuángrè",
      "sense": "extreme excitement",
      "word": "极度狂热"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "extreme excitement",
      "word": "高度興奮"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "gāodù xīngfèn",
      "sense": "extreme excitement",
      "word": "高度兴奋"
    },
    {
      "code": "et",
      "lang": "Estonian",
      "sense": "extreme excitement",
      "word": "haripunkt"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "extreme excitement",
      "word": "kiihkeys"
    }
  ],
  "word": "fever pitch"
}