"grr" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en"
      },
      "expansion": "Onomatopoeic",
      "name": "onomatopoeic"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "head_templates": [
    {
      "args": {},
      "expansion": "grr",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "73 27",
          "kind": "topical",
          "langcode": "en",
          "name": "Animal sounds",
          "orig": "en:Animal sounds",
          "parents": [
            "Sounds",
            "Vocalizations",
            "Sound",
            "Communication",
            "Energy",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Sound of an animal growl."
      ],
      "id": "en-grr-en-intj-KXxkA~-8",
      "links": [
        [
          "growl",
          "growl#English"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "English onomatopoeias",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "35 65",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Grr, life is not fair.",
          "type": "example"
        }
      ],
      "glosses": [
        "Expression of anger or disappointment."
      ],
      "id": "en-grr-en-intj-C6KG8Yki",
      "links": [
        [
          "anger",
          "anger#English"
        ],
        [
          "disappointment",
          "disappointment#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɡɚːː]"
    },
    {
      "audio": "en-us-grr.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/2c/En-us-grr.ogg/En-us-grr.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/2c/En-us-grr.ogg"
    },
    {
      "rhymes": "-ɜː(ɹ)"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "grrr"
    },
    {
      "_dis1": "0 0",
      "english": "and so on, depending on length or ferocity",
      "word": "grrrr"
    },
    {
      "_dis1": "0 0",
      "word": "grrrh"
    }
  ],
  "word": "grr"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English interjections",
    "English lemmas",
    "English onomatopoeias",
    "English words without vowels",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:English/ɜː(ɹ)",
    "Rhymes:English/ɜː(ɹ)/1 syllable",
    "en:Animal sounds"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en"
      },
      "expansion": "Onomatopoeic",
      "name": "onomatopoeic"
    }
  ],
  "etymology_text": "Onomatopoeic.",
  "head_templates": [
    {
      "args": {},
      "expansion": "grr",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "glosses": [
        "Sound of an animal growl."
      ],
      "links": [
        [
          "growl",
          "growl#English"
        ]
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Grr, life is not fair.",
          "type": "example"
        }
      ],
      "glosses": [
        "Expression of anger or disappointment."
      ],
      "links": [
        [
          "anger",
          "anger#English"
        ],
        [
          "disappointment",
          "disappointment#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɡɚːː]"
    },
    {
      "audio": "en-us-grr.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/2c/En-us-grr.ogg/En-us-grr.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/2c/En-us-grr.ogg"
    },
    {
      "rhymes": "-ɜː(ɹ)"
    }
  ],
  "synonyms": [
    {
      "word": "grrr"
    },
    {
      "english": "and so on, depending on length or ferocity",
      "word": "grrrr"
    },
    {
      "word": "grrrh"
    }
  ],
  "word": "grr"
}