Sumimasen: The Japanese Word for Sorry, Excuse Me and Thank You

One small, gracious word opens doors in Japan, and learning when to say it makes everyday moments smoother, warmer and more fun for travelers.

Published October 20, 2026 at 3:14 PM JST | By Tokyo Paul

Quick answer: Sumimasen is a polite Japanese expression that can mean excuse me, I'm sorry, or thank you, depending on the situation. Use it to get a server's attention, to pass through a crowd, to apologize for small slips, and to acknowledge someone's kindness. It is one of the most useful words a traveler can learn, and it is easy to pronounce.

If you listen closely in a Japanese train station, cafe or shop, you will hear sumimasen again and again. It is said by people of every age, in tones that range from breezy to deeply sincere. For visitors, the word can seem puzzling at first, since a single phrase appears to mean three things. This guide explains the core idea behind it, shows when to use each meaning, compares it with similar expressions, and offers a few pronunciation and manners tips so you can use it with confidence.

What does sumimasen mean?

Sumimasen means excuse me, I'm sorry, and thank you, depending on context. The Japan National Tourism Organization lists exactly these three meanings in its guide to Japanese manners, and adds that arigato gozaimasu is the more direct way to say thanks.

The meanings are connected by a single idea: you are aware that someone has gone to some trouble on your behalf. When you interrupt a server, bump into a stranger, or receive a favor, the feeling is much the same, a small acknowledgment that you have asked for someone's time or effort. Language guides often describe it as roughly I'm sorry for the trouble.

Because of that shared idea, the word carries a gentle humility. It is a way of being considerate that sits at the heart of everyday Japanese courtesy, and it rewards even a beginner who tries it.

Where does the word come from?

It is commonly explained as growing out of sumanai, a plain negative form that suggests something is not settled or not finished. The related verb sumu means to be settled or to come to an end. Read this way, sumimasen carries the feeling that a simple thank you or apology does not quite close the matter.

The idea is a lovely one. It suggests that a kind act leaves you with a lingering sense of appreciation, and a small inconvenience leaves you with a lingering wish to make things right. This is one reason the word can express both thanks and regret.

Do not worry about the grammar when you are traveling. The origin is interesting background, but the word works perfectly well as a ready-made phrase that you can learn by ear.

How do you use sumimasen to get attention?

This is the most common and most useful situation for visitors. When you want to call a server in a restaurant, ask a staff member a question, or start a conversation with a stranger, sumimasen works like excuse me.

Say it clearly and politely, with a slight nod, and wait for the person to turn. In many casual restaurants it is quite normal to say it across the room, and staff will usually come over to help. Some language guides note that other openers exist, such as ano, a soft hesitation sound, but sumimasen is the reliable choice.

It also works when you want to ask for directions. Starting with sumimasen shows respect for the other person's time, and a friendly response often follows.

How do you use it as an apology?

For small slips, sumimasen is the standard polite apology. If you bump into someone on a platform, arrive a few minutes late, or knock over a glass, a quick sumimasen with a small bow is exactly right.

Compared with gomen nasai, which is a softer and more casual apology often used among friends and family, sumimasen is considered a step more polite and is suitable for public situations. For a very formal apology, people turn to longer phrases such as moushiwake gozaimasen, which expresses deep regret.

There is no need to over-apologize. In Japan a light, quick sumimasen is a normal part of moving through a shared space gracefully. Sincerity and a gentle tone matter more than length.

Can sumimasen mean thank you?

Yes, and this is the meaning that surprises many learners. When someone does something kind that took effort, such as holding a door, picking up an item you dropped or giving up a seat, sumimasen is a polite way to respond. It acknowledges the trouble they went to and carries a sense of gratitude at the same time.

Some language teachers describe it as a humble thank you that mixes appreciation with awareness of the other person's effort. When you want a clear, bright thank you, arigato gozaimasu is the direct choice. In many situations you can combine them, offering a quick sumimasen followed by arigato gozaimasu.

For example, a shop clerk may hand back your change and you might say arigato gozaimasu, while a stranger who steps aside for you might hear a soft sumimasen. Both are welcome.

What is it like when passing through crowds or trains?

Japan's busy stations and trains are full of tiny courtesies, and sumimasen is the main one. If you need to step off a crowded train and others are in the way, a quiet sumimasen as you move is polite and effective. In a narrow aisle in a shop, it signals that you are passing through.

The Japan National Tourism Organization also encourages visitors to keep their voice soft on trains and to be considerate of others. A gentle sumimasen fits this atmosphere perfectly.

When you want to get past in a crowded area, it is best to say it at a calm volume with a slight nod. Most people will make space with a smile.

How is it pronounced?

The word has five short, even beats: su, mi, ma, se, n. Say it as su-mi-ma-sen without stressing any one syllable, and let the final n sound stay soft.

In fast conversation, many speakers shorten it to suimasen or sumasen, which is perfectly natural. As a learner, the full version is clear and easy to hear, and it is always correct.

Pair it with a small nod or bow, and you have a complete polite gesture. Even a slight movement of the head adds warmth and shows that you are making an effort to follow local manners.

What are other related polite phrases?

A few companions are worth knowing. Shitsurei shimasu is a polite way of saying excuse me, for example when entering a room or leaving, and it is common in formal settings. Gomen nasai is a casual apology among friends. Moushiwake gozaimasen is a formal apology.

For thanks, arigato gozaimasu is the standard polite form, and domo arigato gozaimasu adds extra warmth. Onegaishimasu, meaning please, is a handy way to make a request, and it pairs well with sumimasen when ordering or asking for help.

Learning two or three of these opens many doors. Many travelers find that sumimasen, arigato gozaimasu and onegaishimasu cover a large share of everyday needs.

Frequently Asked Questions

Does sumimasen mean sorry or thank you?

It can mean either, as well as excuse me. The meaning depends on the situation: it opens a polite request when you call for attention, sorry when you make a small mistake, and a humble thank you when someone has made an effort for you. For a direct thank you, say arigato gozaimasu.

Is sumimasen the same as gomen nasai?

They overlap, but they are not identical. Sumimasen is the standard polite apology and also covers getting attention and saying thanks. Gomen nasai is a more casual apology, often used among friends and family. In public settings, sumimasen is the safer choice.

How do you politely call a server in Japanese?

Say sumimasen clearly and politely, with a small nod, and wait for the staff member to notice. It is common to say it across a restaurant, and staff will usually come to your table. Adding onegaishimasu when you order is a nice touch.

Further Reading

To explore further, see Japan National Tourism Organization: Japanese Manners and Wikipedia: Honorific speech in Japanese.

Keep Exploring

More guides from Tokyo Paul: Basic Japanese Phrases for Travelers, Bowing in Japan: How To Greet People Politely and Gaijin or Gaikokujin: How Japanese Words for Foreigners Are Used.