This means "no matter what" or "it does not matter." You use it when something will happen anyway.
Noun + の + いかんによらずPrimary
Noun + の + いかんを問わず
Noun + の + いかんにかかわらず
This means "no matter what" or "it does not matter." You use it when something will happen anyway.
理由のいかんによらず、契約期間中の解約はできません。
Regardless of the reason, cancellation during the contract period is not permitted.
試験の結果のいかんによらず、全ての応募者に通知します。
Regardless of the test results, we will notify all applicants.
悪天候のいかんを問わず、式典は予定通り執り行われた。
Regardless of the bad weather, the ceremony was held as planned.
国籍のいかんにかかわらず、この法律は全ての居住者に適用されます。
Irrespective of nationality, this law applies to all residents.
成否のいかんを問わず、このプロジェクトに全力を尽くす覚悟です。
Regardless of success or failure, I am prepared to give my all to this project.
This phrase is like saying, "No matter what happens, it won't change anything." You are sure of the result.
This grammar is like '〜にかかわらず' and '〜に関係なく'. But it is much more formal. It sounds like something from a book or law. You use it for things that are not sure. For example, results or success. '〜にかかわらず' is also formal. But people use it more often. '〜に関係なく' is the most common one. You can use it in talking or writing.
Don't use this when you are talking with friends. It sounds very formal. This phrase is for official papers. It often comes after words like "result" or "reason."
Contrasts with(1)
More formal alternatives(4)
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