"unnecessity" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "necessity"
      },
      "expansion": "un- + necessity",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + necessity.",
  "forms": [
    {
      "form": "unnecessities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "unnecessity (countable and uncountable, plural unnecessities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "77 23",
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "97 3",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "needlessness"
      ],
      "id": "en-unnecessity-en-noun-Xy2KkdA3",
      "links": [
        [
          "needlessness",
          "needlessness"
        ]
      ],
      "raw_glosses": [
        "(uncountable) needlessness"
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "glosses": [
        "something that is unnecessary"
      ],
      "id": "en-unnecessity-en-noun-Ar31P9s7",
      "links": [
        [
          "unnecessary",
          "unnecessary#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "unnecessity"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with un-",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "necessity"
      },
      "expansion": "un- + necessity",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + necessity.",
  "forms": [
    {
      "form": "unnecessities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "unnecessity (countable and uncountable, plural unnecessities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English uncountable nouns"
      ],
      "glosses": [
        "needlessness"
      ],
      "links": [
        [
          "needlessness",
          "needlessness"
        ]
      ],
      "raw_glosses": [
        "(uncountable) needlessness"
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "glosses": [
        "something that is unnecessary"
      ],
      "links": [
        [
          "unnecessary",
          "unnecessary#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "unnecessity"
}