This means 'is not' or 'are not'. You use it to say what something is not. It is a polite way to speak.
Noun + ではありませんPrimary
な-Adjective + ではありませんPrimary
This means 'is not' or 'are not'. You use it to say what something is not. It is a polite way to speak.
これはペンではありません。鉛筆です。
This is not a pen. It is a pencil.
あの方は学生ではありませんでした。
That person was not a student.
この料理はあまり辛くありませんが、味が薄いわけではありません。
This dish isn't very spicy, but that doesn't mean the flavor is weak.
試験は簡単ではありませんでしたから、多くの学生が苦労しました。
Because the exam was not easy, many students struggled.
私は医者ではありませんので、専門的な助言はできかねます。
As I am not a doctor, I'm afraid I cannot offer professional advice.
This form sounds more proper. It is like saying 'It is certainly not' instead of just 'It's not'.
This is a formal way to say "is not". "じゃありません" is more common when speaking politely. "ではない" is also formal, used in writing. "じゃない" is for casual talk.
Don't use this when you talk about い-adjectives. For example, don't say "高くではありません". This grammar is only for nouns and な-adjectives.
Often confused with(1)
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