"spark off" meaning in English

{
  "forms": [
    {
      "form": "sparks off",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sparking off",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sparked off",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sparked off",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "spark off (third-person singular simple present sparks off, present participle sparking off, simple past and past participle sparked off)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 phrasal verbs formed with \"off\"",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "My letter to the newspaper sparked off an investigation into government corruption.",
          "type": "example"
        }
      ],
      "glosses": [
        "To initiate something by providing the necessary conditions."
      ],
      "id": "en-spark_off-en-verb-Ewon~J1k",
      "links": [
        [
          "initiate",
          "initiate"
        ]
      ],
      "raw_glosses": [
        "(transitive) To initiate something by providing the necessary conditions."
      ],
      "synonyms": [
        {
          "word": "instigate"
        },
        {
          "word": "provoke"
        },
        {
          "word": "incite"
        }
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "spark off"
}

{
  "forms": [
    {
      "form": "sparks off",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sparking off",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sparked off",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sparked off",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "spark off (third-person singular simple present sparks off, present participle sparking off, simple past and past participle sparked off)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs formed with \"off\"",
        "English terms with usage examples",
        "English transitive verbs",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "My letter to the newspaper sparked off an investigation into government corruption.",
          "type": "example"
        }
      ],
      "glosses": [
        "To initiate something by providing the necessary conditions."
      ],
      "links": [
        [
          "initiate",
          "initiate"
        ]
      ],
      "raw_glosses": [
        "(transitive) To initiate something by providing the necessary conditions."
      ],
      "synonyms": [
        {
          "word": "instigate"
        },
        {
          "word": "provoke"
        },
        {
          "word": "incite"
        }
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "spark off"
}