"bitter apple" meaning in English

{
  "forms": [
    {
      "form": "bitter apples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "bitter apple (countable and uncountable, plural bitter apples)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Citrullus colocynthis, a vine that bears a hard, bitter fruit."
      ],
      "id": "en-bitter_apple-en-noun-MABsIKML",
      "links": [
        [
          "Citrullus colocynthis",
          "Citrullus colocynthis#Translingual"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "colocynth"
        },
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "bitter cucumber"
        },
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "desert gourd"
        },
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "egusi"
        },
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "vine of Sodom"
        },
        {
          "_dis1": "96 4",
          "sense": "Citrullus colocynthis",
          "word": "wild gourd"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A bitter preparation applied to an object to discourage dogs from chewing on it."
      ],
      "id": "en-bitter_apple-en-noun-QdNyPxeS",
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "bitter apple"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns"
  ],
  "forms": [
    {
      "form": "bitter apples",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "bitter apple (countable and uncountable, plural bitter apples)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Citrullus colocynthis, a vine that bears a hard, bitter fruit."
      ],
      "links": [
        [
          "Citrullus colocynthis",
          "Citrullus colocynthis#Translingual"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "glosses": [
        "A bitter preparation applied to an object to discourage dogs from chewing on it."
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "Citrullus colocynthis",
      "word": "colocynth"
    },
    {
      "sense": "Citrullus colocynthis",
      "word": "bitter cucumber"
    },
    {
      "sense": "Citrullus colocynthis",
      "word": "desert gourd"
    },
    {
      "sense": "Citrullus colocynthis",
      "word": "egusi"
    },
    {
      "sense": "Citrullus colocynthis",
      "word": "vine of Sodom"
    },
    {
      "sense": "Citrullus colocynthis",
      "word": "wild gourd"
    }
  ],
  "word": "bitter apple"
}