"nužno" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "nȕžno",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ну̏жно",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "nȕžno"
      },
      "expansion": "nȕžno (Cyrillic spelling ну̏жно)",
      "name": "sh-adverb"
    }
  ],
  "hyphenation": [
    "nuž‧no"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "necessarily"
      ],
      "id": "en-nužno-sh-adv-nxQGBKpB",
      "links": [
        [
          "necessarily",
          "necessarily"
        ]
      ],
      "related": [
        {
          "word": "nužan"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nûʒno/"
    }
  ],
  "word": "nužno"
}

{
  "forms": [
    {
      "form": "nȕžno",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ну̏жно",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "nȕžno"
      },
      "expansion": "nȕžno (Cyrillic spelling ну̏жно)",
      "name": "sh-adverb"
    }
  ],
  "hyphenation": [
    "nuž‧no"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "adv",
  "related": [
    {
      "word": "nužan"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Serbo-Croatian adverbs",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas"
      ],
      "glosses": [
        "necessarily"
      ],
      "links": [
        [
          "necessarily",
          "necessarily"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nûʒno/"
    }
  ],
  "word": "nužno"
}