"missionary zeal" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "missionary zeal",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Happiness",
          "orig": "en:Happiness",
          "parents": [
            "Emotions",
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "to do something with missionary zeal",
          "type": "example"
        }
      ],
      "glosses": [
        "great enthusiasm"
      ],
      "id": "en-missionary_zeal-en-noun-A9Jqroou",
      "links": [
        [
          "enthusiasm",
          "enthusiasm"
        ]
      ],
      "raw_glosses": [
        "(figuratively) great enthusiasm"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "word": "missionary zeal"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "missionary zeal",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "en:Happiness"
      ],
      "examples": [
        {
          "text": "to do something with missionary zeal",
          "type": "example"
        }
      ],
      "glosses": [
        "great enthusiasm"
      ],
      "links": [
        [
          "enthusiasm",
          "enthusiasm"
        ]
      ],
      "raw_glosses": [
        "(figuratively) great enthusiasm"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "word": "missionary zeal"
}