"about face" meaning in English

{
  "forms": [
    {
      "form": "about faces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "about face (plural about faces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "about-face"
        }
      ],
      "categories": [
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of about-face"
      ],
      "id": "en-about_face-en-noun-Q4uiLWqM",
      "links": [
        [
          "about-face",
          "about-face#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "wikipedia": [
    "about face"
  ],
  "word": "about face"
}

{
  "forms": [
    {
      "form": "about faces",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "about facing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "about faced",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "about faced",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "about face (third-person singular simple present about faces, present participle about facing, simple past and past participle about faced)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "about-face"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of about-face"
      ],
      "id": "en-about_face-en-verb-Q4uiLWqM",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "about-face",
          "about-face#English"
        ]
      ],
      "raw_glosses": [
        "(military) Alternative form of about-face"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "wikipedia": [
    "about face"
  ],
  "word": "about face"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English verbs"
  ],
  "forms": [
    {
      "form": "about faces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "about face (plural about faces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "about-face"
        }
      ],
      "glosses": [
        "Alternative form of about-face"
      ],
      "links": [
        [
          "about-face",
          "about-face#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "wikipedia": [
    "about face"
  ],
  "word": "about face"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English verbs"
  ],
  "forms": [
    {
      "form": "about faces",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "about facing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "about faced",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "about faced",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "about face (third-person singular simple present about faces, present participle about facing, simple past and past participle about faced)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "about-face"
        }
      ],
      "categories": [
        "en:Military"
      ],
      "glosses": [
        "Alternative form of about-face"
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "about-face",
          "about-face#English"
        ]
      ],
      "raw_glosses": [
        "(military) Alternative form of about-face"
      ],
      "tags": [
        "alt-of",
        "alternative"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "wikipedia": [
    "about face"
  ],
  "word": "about face"
}