"extant" meaning in English

{
  "forms": [
    {
      "form": "extant"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "Greek language is still extant in some areas in Italy"
        }
      ],
      "glosses": [
        "που ακόμα ζει, επιβιώνει"
      ],
      "id": "el-extant-en-adj-kXTPDLH6"
    },
    {
      "examples": [
        {
          "text": "this silver half dollar is the only extant coin of its kind",
          "translation": "≠ αντώνυμα: disappeared"
        }
      ],
      "glosses": [
        "που υπάρχει ακόμα, που δεν έχει καταστραφεί, σωζόμενος"
      ],
      "id": "el-extant-en-adj-0JXS5SGu"
    },
    {
      "examples": [
        {
          "text": "extant species",
          "translation": "≠ αντώνυμα: extinct"
        }
      ],
      "glosses": [
        "αρτίγονος, που είναι ακόμα ζωντανός, που δεν έχει εξαφανιστεί"
      ],
      "id": "el-extant-en-adj-MGtCVgX7"
    }
  ],
  "word": "extant"
}

{
  "forms": [
    {
      "form": "extant"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "Greek language is still extant in some areas in Italy"
        }
      ],
      "glosses": [
        "που ακόμα ζει, επιβιώνει"
      ]
    },
    {
      "examples": [
        {
          "text": "this silver half dollar is the only extant coin of its kind",
          "translation": "≠ αντώνυμα: disappeared"
        }
      ],
      "glosses": [
        "που υπάρχει ακόμα, που δεν έχει καταστραφεί, σωζόμενος"
      ]
    },
    {
      "examples": [
        {
          "text": "extant species",
          "translation": "≠ αντώνυμα: extinct"
        }
      ],
      "glosses": [
        "αρτίγονος, που είναι ακόμα ζωντανός, που δεν έχει εξαφανιστεί"
      ]
    }
  ],
  "word": "extant"
}