How to Say Sorry in Japanese: Choose by the Situation

Choose for the person and the situation

Start with the relationship, the mistake and what needs to happen next. A short apology to a friend and a formal response to a customer have different jobs. No single phrase makes every apology suitable, and a more formal phrase does not automatically make it more sincere.

The University of Minnesota's CARLA teaching materials describe overlapping uses of apology expressions. They also distinguish the apology itself from supporting actions such as acknowledging responsibility and offering a repair. Treat the three forms below as starting choices, not a rule that covers every interaction.

Sumimasen: a useful polite starting point

すみません (すみません, sumimasen, "I'm sorry / excuse me") is a useful polite form for everyday situations. Its job depends on context: the same expression can introduce a request or acknowledge a kindness, so hearing it does not always mean someone made a mistake.

Consider the Tokyo University of Foreign Studies teaching dialogue. A student brings a late report to a teacher and says 遅れてすみません (おくれてすみません, okurete sumimasen, "I'm sorry it is late"). The student then explains the illness, and the teacher asks for advance notice in such cases. The phrase sits inside an exchange about the actual problem; it does not settle that problem by itself.

This example does not mean every late submission has the same acceptable response. Use it to notice the connection between the apology, the reason and the teacher's request. Do not borrow the illness as an excuse when it is not true.

Gomen nasai: a more familiar apology

ごめんなさい (ごめんなさい, gomen nasai, "I'm sorry") is generally more familiar than the formal expression below. For a small mistake with someone close to you, it can fit. ごめん (ごめん, gomen, "sorry") is a casual shortened form; do not make it your default in a formal interaction.

Avoid the claim that this is the only sincere apology or that it only ever functions as an apology. Real expressions overlap. The person's relationship to you and the surrounding words matter more than an English label such as heartfelt.

Moushiwake arimasen: a formal apology

申し訳ありません (もうしわけありません, mōshiwake arimasen, "I'm sorry; I have no excuse") is a formal apology. It can be appropriate when a formal response is needed, including business situations. Learning this form does not require treating every work exchange as a serious offense.

If you caused a problem, be clear about it and about any repair you can actually offer. Do not promise a replacement, a deadline or a result you cannot provide. A formal expression is one part of that response, not a substitute for dealing with the mistake.

Practise the choice with a concrete scene

1. Name who is speaking and who is listening: for example, a student and teacher, or two close friends.
2. State the actual problem in your own language before choosing a Japanese expression.
3. Choose a suitable apology and identify whether an explanation or repair is also needed. Ask a teacher when the stakes or relationship make the choice unclear.
4. Return to the whole exchange. Check whether your response answers what the other person asked, rather than only repeating a polite word.

For the next step, open Inku's public phrase library and inspect the meaning and situation for a phrase you plan to practise. Keep that context with it. Recalling a translation on a card and handling an actual apology are different tasks.

Common questions

Related reading

• Japanese greetings
• Essential Japanese phrases
• Polite registers of Japanese