"unregistered" meaning in English

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "registered"
      },
      "expansion": "un- + registered",
      "name": "prefix"
    }
  ],
  "etymology_text": "un- + registered",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unregistered (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Not registered."
      ],
      "id": "en-unregistered-en-adj-tweGfLMw",
      "links": [
        [
          "registered",
          "registered"
        ]
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "not registered",
          "word": "uregistreret"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "aniológitos",
          "sense": "not registered",
          "word": "ανηολόγητος"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "not registered",
          "word": "uregistrert"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "not registered",
          "word": "uregistrert"
        }
      ]
    }
  ],
  "word": "unregistered"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "unregister"
      },
      "expansion": "unregister",
      "name": "m"
    }
  ],
  "etymology_text": "See unregister.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "unregistered",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "unregister"
        }
      ],
      "glosses": [
        "simple past and past participle of unregister"
      ],
      "id": "en-unregistered-en-verb-2GFdr6Fa",
      "links": [
        [
          "unregister",
          "unregister#English"
        ]
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "unregistered"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English terms prefixed with un-",
    "English uncomparable adjectives",
    "English verb forms"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "registered"
      },
      "expansion": "un- + registered",
      "name": "prefix"
    }
  ],
  "etymology_text": "un- + registered",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "unregistered (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Not registered."
      ],
      "links": [
        [
          "registered",
          "registered"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "not registered",
      "word": "uregistreret"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "aniológitos",
      "sense": "not registered",
      "word": "ανηολόγητος"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "not registered",
      "word": "uregistrert"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "not registered",
      "word": "uregistrert"
    }
  ],
  "word": "unregistered"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English non-lemma forms",
    "English verb forms"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "unregister"
      },
      "expansion": "unregister",
      "name": "m"
    }
  ],
  "etymology_text": "See unregister.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "unregistered",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "unregister"
        }
      ],
      "glosses": [
        "simple past and past participle of unregister"
      ],
      "links": [
        [
          "unregister",
          "unregister#English"
        ]
      ],
      "tags": [
        "form-of",
        "participle",
        "past"
      ]
    }
  ],
  "word": "unregistered"
}