"for some reason" meaning in English

{
  "head_templates": [
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        "1": "en",
        "2": "adverb"
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      "expansion": "for some reason",
      "name": "head"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "parents": [],
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      ],
      "glosses": [
        "Expressing uncertainty for the cause or justification of some event or happening."
      ],
      "id": "en-for_some_reason-en-adv-qtP1U4K3",
      "synonyms": [
        {
          "word": "for some reason or other"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "jostain syystä"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "jonkin takia"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "pour une raison ou pour une autre"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "word": "irgendwie"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "word": "aus irgendeinem Grund"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "Translations",
          "word": "valamiért"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "word": "nie wiedzieć czemu"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "počemú-to",
          "sense": "Translations",
          "word": "почему́-то"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "po kakój-to pričíne",
          "sense": "Translations",
          "word": "по како́й-то причи́не"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "Translations",
          "word": "nedense"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "čomúsʹ",
          "sense": "Translations",
          "word": "чому́сь"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "z jakójisʹ pryčýny",
          "sense": "Translations",
          "word": "з яко́їсь причи́ни"
        }
      ]
    }
  ],
  "word": "for some reason"
}

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      "args": {
        "1": "en",
        "2": "adverb"
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      "expansion": "for some reason",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
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        "English entries with incorrect language header",
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      "glosses": [
        "Expressing uncertainty for the cause or justification of some event or happening."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "for some reason or other"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "jostain syystä"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "jonkin takia"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "pour une raison ou pour une autre"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "irgendwie"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "aus irgendeinem Grund"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "Translations",
      "word": "valamiért"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "word": "nie wiedzieć czemu"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "počemú-to",
      "sense": "Translations",
      "word": "почему́-то"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "po kakój-to pričíne",
      "sense": "Translations",
      "word": "по како́й-то причи́не"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "Translations",
      "word": "nedense"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "čomúsʹ",
      "sense": "Translations",
      "word": "чому́сь"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "z jakójisʹ pryčýny",
      "sense": "Translations",
      "word": "з яко́їсь причи́ни"
    }
  ],
  "word": "for some reason"
}