"off chance" meaning in English

{
  "forms": [
    {
      "form": "off chances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "off chance (plural off chances)",
      "name": "en-noun"
    }
  ],
  "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": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "on the off chance"
        }
      ],
      "examples": [
        {
          "text": "He submitted a job application on the off chance that nobody better would.",
          "type": "example"
        }
      ],
      "glosses": [
        "A possibility that is not likely or probable."
      ],
      "id": "en-off_chance-en-noun-kgkyg2Qo",
      "links": [
        [
          "likely",
          "likely"
        ],
        [
          "probable",
          "probable"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) A possibility that is not likely or probable."
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "malka verojatnost",
          "sense": "possibility that is not likely",
          "tags": [
            "feminine"
          ],
          "word": "малка вероятност"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "possibility that is not likely",
          "word": "siinä toivossa"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "malaja verojatnostʹ",
          "sense": "possibility that is not likely",
          "tags": [
            "feminine"
          ],
          "word": "малая вероятность"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-off chance.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e2/En-au-off_chance.ogg/En-au-off_chance.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e2/En-au-off_chance.ogg"
    }
  ],
  "word": "off chance"
}

{
  "derived": [
    {
      "word": "on the off chance"
    }
  ],
  "forms": [
    {
      "form": "off chances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "off chance (plural off chances)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Bulgarian translations",
        "Terms with Finnish translations",
        "Terms with Russian translations"
      ],
      "examples": [
        {
          "text": "He submitted a job application on the off chance that nobody better would.",
          "type": "example"
        }
      ],
      "glosses": [
        "A possibility that is not likely or probable."
      ],
      "links": [
        [
          "likely",
          "likely"
        ],
        [
          "probable",
          "probable"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) A possibility that is not likely or probable."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-off chance.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e2/En-au-off_chance.ogg/En-au-off_chance.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e2/En-au-off_chance.ogg"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "malka verojatnost",
      "sense": "possibility that is not likely",
      "tags": [
        "feminine"
      ],
      "word": "малка вероятност"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "possibility that is not likely",
      "word": "siinä toivossa"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "malaja verojatnostʹ",
      "sense": "possibility that is not likely",
      "tags": [
        "feminine"
      ],
      "word": "малая вероятность"
    }
  ],
  "word": "off chance"
}