"all for" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositions",
        "head": ""
      },
      "expansion": "all for",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "all for",
      "name": "en-prep"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "_dis": "72 28",
          "kind": "kind",
          "name": "English non-constituents",
          "source": "w+disamb"
        },
        {
          "_dis": "96 4",
          "kind": "kind",
          "name": "English prepositions",
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "I'm all for people being able to speak their minds."
        }
      ],
      "glosses": [
        "Completely in favour of."
      ],
      "id": "all_for-prep-OxKK4WzY",
      "translations": [
        {
          "_dis1": "99 1",
          "code": "fi",
          "english": "to be all for",
          "lang": "Finnish",
          "sense": "completely in favour",
          "word": "kannattaa täysin"
        },
        {
          "_dis1": "99 1",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "completely in favour",
          "word": "completamente a favor (de)"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "Esau sold Jacob his birthright all for a bowl of lentil stew."
        }
      ],
      "glosses": [
        "Merely for the sake of."
      ],
      "id": "all_for-prep-me09eLAl",
      "tags": [
        "of an undertaking"
      ]
    }
  ],
  "word": "all for"
}

{
  "categories": [
    "English lemmas",
    "English multiword terms",
    "English non-constituents",
    "English prepositions"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositions",
        "head": ""
      },
      "expansion": "all for",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "all for",
      "name": "en-prep"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "I'm all for people being able to speak their minds."
        }
      ],
      "glosses": [
        "Completely in favour of."
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Esau sold Jacob his birthright all for a bowl of lentil stew."
        }
      ],
      "glosses": [
        "Merely for the sake of."
      ],
      "tags": [
        "of an undertaking"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "english": "to be all for",
      "lang": "Finnish",
      "sense": "completely in favour",
      "word": "kannattaa täysin"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "completely in favour",
      "word": "completamente a favor (de)"
    }
  ],
  "word": "all for"
}