"preconcerted" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "concerted"
      },
      "expansion": "pre- + concerted",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + concerted.",
  "forms": [
    {
      "form": "more preconcerted",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most preconcerted",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "preconcerted (comparative more preconcerted, superlative most preconcerted)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pre-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Agreed upon in advance."
      ],
      "id": "en-preconcerted-en-adj-HhufHCJM",
      "links": [
        [
          "Agreed",
          "agree"
        ],
        [
          "advance",
          "advance"
        ]
      ],
      "related": [
        {
          "word": "preconcertedly"
        },
        {
          "word": "preconcertedness"
        }
      ]
    }
  ],
  "word": "preconcerted"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "concerted"
      },
      "expansion": "pre- + concerted",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pre- + concerted.",
  "forms": [
    {
      "form": "more preconcerted",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most preconcerted",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "preconcerted (comparative more preconcerted, superlative most preconcerted)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "preconcertedly"
    },
    {
      "word": "preconcertedness"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with pre-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Agreed upon in advance."
      ],
      "links": [
        [
          "Agreed",
          "agree"
        ],
        [
          "advance",
          "advance"
        ]
      ]
    }
  ],
  "word": "preconcerted"
}