Translation guide
Expresses that something is wrong, mistaken, or not correct. The most natural Japanese depends on whether you are talking about a factual error, a wrong answer, a misunderstanding, or a moral wrong.
To say that a statement, answer, or piece of information is not correct.
The most common and versatile way to say something is incorrect. It can be used for facts, answers, or actions.
That answer is incorrect.
I think his explanation is incorrect.
Literally 'different', but very commonly used in casual speech to mean 'that's wrong' or 'no, that's not right'.
No, that's wrong.
Isn't that incorrect?
A more formal or written way to say something is erroneous. Often used in official contexts or documents.
The data in this report is incorrect.
To say that someone has the wrong idea or has misunderstood something.
To say that an action or behavior is not morally correct.
To say that a method, process, or action does not follow the correct rules or standards.
間違っている is the standard way to say 'is incorrect'. 違う literally means 'different', but in casual conversation it is often used to mean 'that's wrong'. However, 違う can sound blunt or childish in formal situations.
That is incorrect. (polite)
That's wrong! (casual)
Avoid directly translating 'be incorrect' as 不正確である (ふせいかくである). While it means 'inaccurate', it is not commonly used in everyday speech and sounds overly technical.