"wax lyrical" meaning in English

{
  "forms": [
    {
      "form": "waxes lyrical",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "waxing lyrical",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "waxed lyrical",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "waxed lyrical",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "wax lyrical (third-person singular simple present waxes lyrical, present participle waxing lyrical, simple past and past participle waxed lyrical)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1960 March, G. Freeman Allen, “Europe's most luxurious express - the \"Settebello\"”, in Trains Illustrated, page 142:",
          "text": "Axe-grinding columnists and politicians are therefore disingenuous when they wax lyrical about the quality of the meals served on the Continent by the International Wagons-Lits Company (and in France, though not in Italy, I personally have not found the quality outstanding for the high price demanded) [...].",
          "type": "quote"
        }
      ],
      "glosses": [
        "To speak very enthusiastically about something."
      ],
      "id": "en-wax_lyrical-en-verb-w1Z5Iauj",
      "links": [
        [
          "enthusiastically",
          "enthusiastically"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "speak very enthusiastically",
          "word": "滔滔不絕"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "tāotāobùjué",
          "sense": "speak very enthusiastically",
          "word": "滔滔不绝"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "speak very enthusiastically",
          "word": "puhua lennokkaasti"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "speak very enthusiastically",
          "word": "puhua runollisesti"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "speak very enthusiastically",
          "word": "vara lyrisk"
        }
      ]
    }
  ],
  "word": "wax lyrical"
}

{
  "forms": [
    {
      "form": "waxes lyrical",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "waxing lyrical",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "waxed lyrical",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "waxed lyrical",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "wax lyrical (third-person singular simple present waxes lyrical, present participle waxing lyrical, simple past and past participle waxed lyrical)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Entries with translation boxes",
        "Mandarin terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Mandarin translations",
        "Terms with Swedish translations"
      ],
      "examples": [
        {
          "ref": "1960 March, G. Freeman Allen, “Europe's most luxurious express - the \"Settebello\"”, in Trains Illustrated, page 142:",
          "text": "Axe-grinding columnists and politicians are therefore disingenuous when they wax lyrical about the quality of the meals served on the Continent by the International Wagons-Lits Company (and in France, though not in Italy, I personally have not found the quality outstanding for the high price demanded) [...].",
          "type": "quote"
        }
      ],
      "glosses": [
        "To speak very enthusiastically about something."
      ],
      "links": [
        [
          "enthusiastically",
          "enthusiastically"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "speak very enthusiastically",
      "word": "滔滔不絕"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "tāotāobùjué",
      "sense": "speak very enthusiastically",
      "word": "滔滔不绝"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "speak very enthusiastically",
      "word": "puhua lennokkaasti"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "speak very enthusiastically",
      "word": "puhua runollisesti"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "speak very enthusiastically",
      "word": "vara lyrisk"
    }
  ],
  "word": "wax lyrical"
}