"unnecessary" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Λέξεις με πρόθημα un- (αγγλικά)",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": ": unnecessary < un- + necessary",
  "forms": [
    {
      "form": "unnecessary"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "All this fuss is totally unnecessary.",
          "translation": "Όλη αυτή η φασαρία είναι απόλυτα μη απαραίτητη."
        },
        {
          "text": "You need to trim all the unnecessary growth off.",
          "translation": "Πρέπει να κλαδέψεις όλα τα περιττά βλαστάρια."
        }
      ],
      "glosses": [
        "μη απαραίτητος, περιττός"
      ],
      "id": "el-unnecessary-en-adj-BFI7U5j1"
    }
  ],
  "word": "unnecessary"
}

{
  "categories": [
    "Λέξεις με πρόθημα un- (αγγλικά)"
  ],
  "etymology_text": ": unnecessary < un- + necessary",
  "forms": [
    {
      "form": "unnecessary"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "All this fuss is totally unnecessary.",
          "translation": "Όλη αυτή η φασαρία είναι απόλυτα μη απαραίτητη."
        },
        {
          "text": "You need to trim all the unnecessary growth off.",
          "translation": "Πρέπει να κλαδέψεις όλα τα περιττά βλαστάρια."
        }
      ],
      "glosses": [
        "μη απαραίτητος, περιττός"
      ]
    }
  ],
  "word": "unnecessary"
}