This means 'no matter what' or 'regardless of'. It shows something is true for everyone or everything.
Noun + を問わずPrimary
This means 'no matter what' or 'regardless of'. It shows something is true for everyone or everything.
このイベントは年齢を問わず、どなたでもご参加いただけます。
This event is open to anyone to participate, regardless of age.
その会社は経験の有無を問わず、多くの人を採用した。
That company hired many people, regardless of whether they had experience or not.
理由の如何を問わず、一度納入された料金は返金されません。
Regardless of the reason, fees that have been paid will not be refunded.
この商品は、老若男女を問わず、幅広い層に支持されています。
This product is supported by a wide range of people, regardless of age or gender.
救助隊は昼夜を問わず、懸命に捜索活動を続けた。
The rescue team diligently continued their search efforts, regardless of day or night.
This phrase sounds very official. You will hear it in announcements or see it in formal writing. It is like a serious rule. You would not use it when talking with friends.
This is different from "~によらず" (ni yorazu). "~によらず" means something does not depend on a cause or method. For example, "His success is not due to luck." But "~を問わず" means a group or type of thing does not matter. It is about including everyone or everything. It is not about what something depends on.
Don't use this when you talk about just one thing. For example, you cannot say "regardless of this book" because "this book" is only one item.
Often confused with(3)
More formal alternatives(1)
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