"unamerican" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "American"
      },
      "expansion": "un- + American",
      "name": "pre"
    }
  ],
  "etymology_text": "un- + American",
  "forms": [
    {
      "form": "more unamerican",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unamerican",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unamerican (comparative more unamerican, superlative most unamerican)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "un-American"
        }
      ],
      "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 prefixed with un-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "United States",
          "orig": "en:United States",
          "parents": [
            "North America",
            "America",
            "Earth",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of un-American"
      ],
      "id": "en-unamerican-en-adj-u~tULMGd",
      "links": [
        [
          "un-American",
          "un-American#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "unamerican"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "American"
      },
      "expansion": "un- + American",
      "name": "pre"
    }
  ],
  "etymology_text": "un- + American",
  "forms": [
    {
      "form": "more unamerican",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unamerican",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unamerican (comparative more unamerican, superlative most unamerican)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "un-American"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with un-",
        "en:United States"
      ],
      "glosses": [
        "Alternative form of un-American"
      ],
      "links": [
        [
          "un-American",
          "un-American#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "unamerican"
}