"questionable" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -able",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "question",
        "2": "able"
      },
      "expansion": "question + -able",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "question + -able",
  "forms": [
    {
      "form": "questionable",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more questionable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most questionable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "ques‧tio‧nable",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "unquestionable"
        }
      ],
      "glosses": [
        "If something is questionable it is easy to question. That is, it is not likely to be true, and might be false."
      ],
      "id": "simple-questionable-en-adj-FAmm1yKq"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkwɛst͡ʃənəbl̩/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-questionable.wav",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "questionable"
}

{
  "categories": [
    "Terms suffixed with -able"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "question",
        "2": "able"
      },
      "expansion": "question + -able",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "question + -able",
  "forms": [
    {
      "form": "questionable",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more questionable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most questionable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "ques‧tio‧nable",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "unquestionable"
        }
      ],
      "glosses": [
        "If something is questionable it is easy to question. That is, it is not likely to be true, and might be false."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkwɛst͡ʃənəbl̩/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-questionable.wav",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "questionable"
}