"Know-Nothing" meaning in English

{
  "etymology_text": "Party members claimed to know nothing about the party when questioned.",
  "forms": [
    {
      "form": "Know-Nothings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Know-Nothing"
      },
      "expansion": "Know-Nothing (plural Know-Nothings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Know-Nothingism"
        }
      ],
      "examples": [
        {
          "ref": "1964, John F. Kennedy, “Immigration Policy”, in A Nation of Immigrants, Revised and Enlarged edition, Harper & Row, →LCCN, →OCLC, page 71",
          "text": "The legacy of the Know-Nothings lived beyond its life as an organization. The seeds of bigotry, fear and hatred bore fruit again in the years after the Civil War.[…]\nThe First World War led to another outbreak of nativism. A new group, adopting the program of the Know-Nothings and the name of the Ku Klux Klan, came into being, denouncing everything its members disliked—Negroes, Catholics, Jews, evolutionists, religious liberals, internationalists, pacifists—in the name of true Americanism and of “Nordic superiority.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A member of a secret antiforeigner political organization in the nineteenth-century United States."
      ],
      "id": "en-Know-Nothing-en-noun-Fs7vxKru",
      "links": [
        [
          "secret",
          "secret"
        ],
        [
          "antiforeigner",
          "antiforeigner"
        ],
        [
          "political",
          "political"
        ],
        [
          "organization",
          "organization"
        ],
        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(historical) A member of a secret antiforeigner political organization in the nineteenth-century United States."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Know-Nothing"
      ]
    }
  ],
  "word": "Know-Nothing"
}

{
  "derived": [
    {
      "word": "Know-Nothingism"
    }
  ],
  "etymology_text": "Party members claimed to know nothing about the party when questioned.",
  "forms": [
    {
      "form": "Know-Nothings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Know-Nothing"
      },
      "expansion": "Know-Nothing (plural Know-Nothings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1964, John F. Kennedy, “Immigration Policy”, in A Nation of Immigrants, Revised and Enlarged edition, Harper & Row, →LCCN, →OCLC, page 71",
          "text": "The legacy of the Know-Nothings lived beyond its life as an organization. The seeds of bigotry, fear and hatred bore fruit again in the years after the Civil War.[…]\nThe First World War led to another outbreak of nativism. A new group, adopting the program of the Know-Nothings and the name of the Ku Klux Klan, came into being, denouncing everything its members disliked—Negroes, Catholics, Jews, evolutionists, religious liberals, internationalists, pacifists—in the name of true Americanism and of “Nordic superiority.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A member of a secret antiforeigner political organization in the nineteenth-century United States."
      ],
      "links": [
        [
          "secret",
          "secret"
        ],
        [
          "antiforeigner",
          "antiforeigner"
        ],
        [
          "political",
          "political"
        ],
        [
          "organization",
          "organization"
        ],
        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(historical) A member of a secret antiforeigner political organization in the nineteenth-century United States."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Know-Nothing"
      ]
    }
  ],
  "word": "Know-Nothing"
}