"undesirable" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms prefixed with un-",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "desirable"
      },
      "expansion": "un- + desirable",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "un- + desirable",
  "forms": [
    {
      "form": "undesirable",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more undesirable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most undesirable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "un‧de‧sir‧able",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "If something is undesirable, it is not wanted as it might cause harm or other bad consequences."
      ],
      "id": "simple-undesirable-en-adj-drtZ8Kgf"
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌndɪˈzʌɪərəb(ə)l/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-undesirable.wav",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "undesirable"
}

{
  "categories": [
    "Terms prefixed with un-"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "un",
        "2": "desirable"
      },
      "expansion": "un- + desirable",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "un- + desirable",
  "forms": [
    {
      "form": "undesirable",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more undesirable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most undesirable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "un‧de‧sir‧able",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "If something is undesirable, it is not wanted as it might cause harm or other bad consequences."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌndɪˈzʌɪərəb(ə)l/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-undesirable.wav",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "undesirable"
}