"quackish" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "quack",
        "3": "ish"
      },
      "expansion": "quack + -ish",
      "name": "suffix"
    }
  ],
  "etymology_text": "quack + -ish",
  "forms": [
    {
      "form": "more quackish",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most quackish",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quackish (comparative more quackish, superlative most quackish)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ish",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "quackishly"
        },
        {
          "word": "quackishness"
        }
      ],
      "examples": [
        {
          "ref": "1827, Robert Pollok, The Course of Time",
          "text": "The frothy orator, who busked his tales\nIn quackish pomp of noisy words",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Like a quack (fraudulent doctor), or characteristic of quackery."
      ],
      "id": "en-quackish-en-adj-N-hWc6O~",
      "links": [
        [
          "quack",
          "quack"
        ],
        [
          "quackery",
          "quackery"
        ]
      ]
    }
  ],
  "word": "quackish"
}

{
  "derived": [
    {
      "word": "quackishly"
    },
    {
      "word": "quackishness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "quack",
        "3": "ish"
      },
      "expansion": "quack + -ish",
      "name": "suffix"
    }
  ],
  "etymology_text": "quack + -ish",
  "forms": [
    {
      "form": "more quackish",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most quackish",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "quackish (comparative more quackish, superlative most quackish)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ish",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1827, Robert Pollok, The Course of Time",
          "text": "The frothy orator, who busked his tales\nIn quackish pomp of noisy words",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Like a quack (fraudulent doctor), or characteristic of quackery."
      ],
      "links": [
        [
          "quack",
          "quack"
        ],
        [
          "quackery",
          "quackery"
        ]
      ]
    }
  ],
  "word": "quackish"
}