"ефективна" meaning in Ukrainian

{
  "forms": [
    {
      "form": "ефекти́вна",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "efektývna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "adjective form",
        "head": "ефекти́вна"
      },
      "expansion": "ефекти́вна • (efektývna)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "efektývnyj",
          "word": "ефекти́вний"
        }
      ],
      "glosses": [
        "feminine nominative singular of ефекти́вний (efektývnyj)"
      ],
      "id": "en-ефективна-uk-adj-RiyZ~mXb",
      "links": [
        [
          "ефекти́вний",
          "ефективний#Ukrainian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "nominative",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[efekˈtɪu̯nɐ]"
    }
  ],
  "word": "ефективна"
}

{
  "forms": [
    {
      "form": "ефекти́вна",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "efektývna",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "adjective form",
        "head": "ефекти́вна"
      },
      "expansion": "ефекти́вна • (efektývna)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Pages with entries",
        "Ukrainian adjective forms",
        "Ukrainian entries with incorrect language header",
        "Ukrainian non-lemma forms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "efektývnyj",
          "word": "ефекти́вний"
        }
      ],
      "glosses": [
        "feminine nominative singular of ефекти́вний (efektývnyj)"
      ],
      "links": [
        [
          "ефекти́вний",
          "ефективний#Ukrainian"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "nominative",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[efekˈtɪu̯nɐ]"
    }
  ],
  "word": "ефективна"
}