"כל עיקר" meaning in Hebrew

{
  "forms": [
    {
      "form": "כָּל עִקָּר",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kól ikár",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "dwv": "כָּל עִקָּר",
        "tr": "kól ikár",
        "wv": "כל עיקר"
      },
      "expansion": "כל עיקר / כָּל עִקָּר • (kól ikár)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "at all"
      ],
      "id": "en-כל_עיקר-he-adv-iUiKVhcO",
      "links": [
        [
          "at all",
          "at all"
        ]
      ]
    }
  ],
  "word": "כל עיקר"
}

{
  "forms": [
    {
      "form": "כָּל עִקָּר",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kól ikár",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "dwv": "כָּל עִקָּר",
        "tr": "kól ikár",
        "wv": "כל עיקר"
      },
      "expansion": "כל עיקר / כָּל עִקָּר • (kól ikár)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Hebrew adverbs",
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Hebrew multiword terms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "at all"
      ],
      "links": [
        [
          "at all",
          "at all"
        ]
      ]
    }
  ],
  "word": "כל עיקר"
}