じゃない means maybe; most likely; confirmation of information; express surprise toward listener ~. It is a JLPT N3 grammar pattern used to seek confirmation, express surprise, soften statements, or show mild disbelief.
This grammar point often appears in casual Japanese. If you want to seek confirmation, express surprise, or soften statements casually, じゃない is a useful pattern to learn.
What does じゃない mean?
Use じゃない when you want to seek confirmation, express surprise, soften statements, or show mild disbelief.
Natural translations include:
- isn’t it; confirmation; maybe; surprise ~
- maybe; most likely; confirmation of information; express surprise toward listener ~
- maybe; isn’t it; confirmation
How to form じゃない
[Sentence] + じゃない / 〜んじゃない / 〜のじゃない
Examples of the pattern:
- いいじゃない
- そうじゃない
- 来るんじゃない
When is じゃない used?
Use じゃない in situations like:
- casual conversation
- seeking agreement
- showing surprise
Tone and register:
- casual
- Common in casual conversation, test questions, and written narratives
じゃない example sentences
- いいじゃない。 \u2014 Isn’t that fine.
- 彼、来るんじゃない。 \u2014 I bet he’ll come.
- そうじゃない。 \u2014 That’s not it / Isn’t that so.
- また遅刻じゃない。 \u2014 You’re late again, aren’t you.
- かわいいじゃない。 \u2014 Isn’t it cute.
Nuance of じゃない
The key nuance is context-dependent; can mean confirmation, soft negation, or mild accusation.
This matters because じゃない is the casual form of ではない. In questions it seeks confirmation. Alone it can mean ‘isn’t it.’ With rising intonation it expresses surprise..
For example:
- In casual conversation, it sounds natural and specific.
- Compared with ではない, it carries a different weight and implication.
じゃない vs ではない
Both じゃない and ではない can express maybe, but they are different.
じゃない:
- casual; can be confirmation, negation, or surprise depending on context
ではない:
- formal negation; clear and direct denial
Quick contrast examples:
- そうではない。 \u2014 That is not so (formal denial).
- そうじゃない。 \u2014 That’s not it / Isn’t that so (casual).
Common mistakes with じゃない
Watch out for these mistakes:
- Using じゃない in formal writing where ではない is required
- Confusing confirmation use with negation use
- Forgetting that んじゃない adds speculation
Is じゃない on the JLPT?
Yes. じゃない is commonly taught as JLPT N3 grammar.
That means learners should be able to:
- recognize it in reading
- understand its nuance in context
- use it in simple original sentences
Practice questions for じゃない
Try making your own sentences with these prompts:
- Seek confirmation that something is good.
- Express surprise that someone is late again.
- Speculate that someone will probably come.
Learn じゃない with Kanjiru
If you want to review じゃない together with kanji, vocabulary, and other JLPT N3 patterns, Kanjiru helps you practice Japanese in short, focused sessions.
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