Structure
Verb + か否か
[い]Adjective + か否か
[な]Adjective + (である)+ か否か
Noun + (である)+ か否か
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Formal
About か否か
否 'no' is an interjection in Japanese that is primarily paired with the adverbial particle か 'or' when stating 'whether or not (A)'. The literal meaning is just '(A) or no'. This is a very formal expression that will mainly be seen in writing.
か否か may appear after almost any word in their standard forms.
This structure is often paired with words like べき 'ought to', を問わず 'without questioning', にかかわらず 'regardless of', and will be used to make determinations about the suitability of something based on a specific situation.
Synonyms
Examples
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自分の人生に満足できるか否か、それはあなたの頑張り次第である。
Whether you are satisfied or not with your own life is a result of your effort.
今の会社を辞めて転職するか否か、もう少し悩む事にしよう。
Whether I will resign from my current company and get a new job or not, I'll ponder on it a bit more.
イベントのサイト「参加資格:登録ユーザーであるか否かを問わず、どなたでもご参加可能」
Event website: 'Entry qualifications: Regardless of whether you are a registered user or not, anyone can participate.'
記事のタイトル:「プロゲーマーは真のスポーツ選手か否か。eスポーツ業界が直面するビザの問題」
Article title: 'Are pro gamers real athletes or not? The visa problem that eSports faces.' (whether or not)
サイト、クッキーファイルについて:「利用者はそのクッキーを受け入れるか否かを決めることができますし、また、全部のクッキーを削除することもできます。」
Website, about cookie files: 'Users can decide whether or not they accept cookies. Users are also able to delete all accepted cookies anytime.'
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A Dictionary of Advanced Japanese Grammar
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