22 Japanese ways to say “Don’t swear”

Swearing is something we often want to avoid, especially when learning a new language like Japanese. It’s all about knowing the right way to express yourself without going overboard.

In Japanese, there are many gentle, polite, and even playful ways to say “Don’t swear.” Whether you’re talking to friends or in a formal setting, you’ll find a phrase that fits.

These phrases not only help you keep conversations respectful but also give you insight into Japanese culture and communication style.

From casual nudges to serious advice, this list has it all, making it easy to remember and use in everyday life.

Learning these expressions can make your Japanese more natural and your interactions more pleasant.

Ready to explore 22 warm and relatable ways to say “Don’t swear” in Japanese? Let’s dive in!

Why Choose Gentle Japanese Phrases?

Japanese communication often values harmony and subtlety, so direct commands like “Don’t swear” can sound harsh.

Using softer or more indirect expressions keeps the conversation light and polite, which is appreciated in most situations.

It’s a great way to learn how to handle sensitive topics with grace.

If you want to deepen your understanding, a phrasebook on polite Japanese expressions can be super helpful.

These phrases are easy to adopt and will make your Japanese feel more natural and considerate.

Plus, they’re perfect for building your confidence in everyday conversations.

Part 1: Casual Suggestions

1. ちょっと言葉に気をつけてね (Chotto kotoba ni ki o tsukete ne) – “Please watch your words a little.”

This phrase is a gentle way to remind someone to be mindful of their language.

“Chotto” means “a little,” “kotoba” means “words,” and “ki o tsukete” means “be careful.” The “ne” at the end softens the tone, making it friendly.

It’s perfect for casual conversations with friends or colleagues when you want to avoid sounding harsh.

Using “chotto” keeps things light and approachable.

Similar phrases include “言葉を選んでね (Kotoba o erande ne)” which means “Choose your words carefully.”

Try it next time you want to nudge someone without sounding strict!

2. 下品な言葉はやめて (Gehin na kotoba wa yamete) – “Stop using vulgar words.”

This is a bit more direct but still polite enough for casual use.

“Gehin” means “vulgar” or “crude,” “kotoba” is “words,” and “yamete” means “stop.”

It clearly states the request but avoids any rude tone.

Be careful not to use this phrase aggressively; tone matters a lot.

For example, you could say this to someone using harsh language in a group setting.

It’s straightforward but still respectful.

3. そんな言い方はよくないよ (Sonna iikata wa yokunai yo) – “That way of speaking isn’t good.”

This phrase points out that the style of speaking is inappropriate without sounding accusatory.

“Sonna” means “that kind of,” “iikata” is “way of speaking,” and “yokunai” means “not good.” The “yo” adds a friendly emphasis.

It’s a natural way to suggest better language without making the other person feel attacked.

Great for casual talks where you want to keep the mood light.

You can also say “言い方に気をつけて (Iikata ni ki o tsukete)” meaning “Be careful with how you speak.”

Use this to encourage more polite speech gently.

4. 下品な言葉は控えてね (Gehin na kotoba wa hikaete ne) – “Please refrain from vulgar words.”

This phrase is polite and slightly formal but still casual enough for everyday use.

“Hikaete” means “refrain,” so it’s a polite request rather than a command.

Adding “ne” softens it further, making it sound like a friendly ask.

It’s useful in mixed company or with acquaintances.

You might hear this in work settings or when talking with elders.

It’s a respectful way to ask for cleaner language.

5. そんな言葉はやめてよ (Sonna kotoba wa yamete yo) – “Stop saying that kind of word.”

This is casual and a little more direct, with “yo” adding emphasis.

It’s useful when you need to be clear but still want to keep things friendly.

“Yamete” is “stop,” and “sonna kotoba” means “that kind of word.”

It works well among close friends or siblings.

Avoid using this in very formal situations as it can come off as sharp.

Great for moments when you want to set boundaries gently but firmly.

6. そんな汚い言葉は使わないで (Sonna kitanai kotoba wa tsukawanaide) – “Don’t use such dirty words.”

This phrase is straightforward but not overly harsh.

“Kitanai” means “dirty,” “tsukawanaide” is “don’t use.”

It clearly requests avoiding bad language without sounding angry.

It’s effective among peers or family.

Similar phrases include “汚い言葉は禁止 (Kitanai kotoba wa kinshi)” meaning “Dirty words are prohibited,” but that’s more formal.

Use this for a friendly but clear reminder.

7. いい言葉を使おうね (Ii kotoba o tsukao ne) – “Let’s use good words.”

This is a positive and inclusive way to encourage nicer language.

“Ii” means “good,” “kotoba” is “words,” and “tsukao” is the volitional form of “use,” meaning “let’s use.”

The “ne” invites agreement, making it warm and friendly.

It’s perfect for kids or friends.

It avoids direct criticism and models good behavior instead.

Try it when you want to keep the mood upbeat and supportive.

8. 言葉に気をつけよう (Kotoba ni ki o tsukeyou) – “Let’s be careful with our words.”

This phrase is a casual but thoughtful suggestion.

“Ki o tsukeyou” is the volitional form meaning “let’s be careful.”

It’s inclusive and encourages everyone to watch their language.

Great for group settings where you want to keep things polite.

It’s also easy to remember and apply.

Use this to promote mutual respect in conversations.

Part 2: Polite & Formal Suggestions

9. 口調に気をつけてください (Kuchou ni ki o tsukete kudasai) – “Please be careful with your tone.”

This phrase is polite and respectful, suitable for formal situations.

“Kuchou” means “tone” or “manner of speaking,” and “kudasai” is a polite request.

It’s a refined way to ask someone to moderate their language or attitude.

It avoids direct mention of swearing but implies careful speech.

Ideal for workplace or formal social settings.

Using polite forms shows respect and keeps relationships smooth.

10. 不適切な言葉はお控えください (Futekisetsu na kotoba wa o-hikae kudasai) – “Please refrain from inappropriate language.”

This is a very formal and respectful phrase used in official contexts.

“Futekisetsu” means “inappropriate,” and “o-hikae kudasai” is a polite way to say “please refrain.”

It’s often used in announcements or written requests but can be spoken.

Great for situations like conferences, ceremonies, or public speaking.

It’s best to use this when you want to sound very professional.

Knowing this phrase is handy if you attend formal Japanese events.

11. そういう言葉は控えていただけますか (Sou iu kotoba wa hikaete itadakemasu ka) – “Could you please refrain from such words?”

This phrase is polite and somewhat indirect, making it very courteous.

“Sou iu” means “such,” and “itadakemasu ka” is a humble request form.

It gently asks the other person to stop using certain words.

Perfect for delicate social situations.

It allows you to address the issue without offending.

Use this when you want to maintain harmony and respect.

12. 乱暴な言葉はお控えください (Ranbou na kotoba wa o-hikae kudasai) – “Please refrain from rough language.”

“Ranbou” means “rough” or “violent,” so this is a polite way to ask for less harsh language.

It’s formal and commonly used in written rules or polite speech.

Good for formal gatherings or customer service contexts.

The phrase keeps the tone respectful while making the request clear.

Perfect if you want to discourage swearing in a professional way.

It’s easy to remember by focusing on “o-hikae kudasai” as a polite refrain.

13. 公共の場では言葉を選んでください (Koukyou no ba de wa kotoba o erande kudasai) – “Please choose your words carefully in public.”

This phrase reminds people to be mindful of language in shared spaces.

“Koukyou no ba” means “public place,” and “kotoba o erande kudasai” means “please choose words.”

It’s polite and appropriate for public announcements or friendly reminders.

Useful when addressing groups or strangers.

It encourages social awareness and respect.

Try this when you want to promote good manners in public.

14. 丁寧な言葉遣いをお願いします (Teinei na kotobazukai o onegaishimasu) – “Please use polite language.”

This is a straightforward and polite request for courteous language use.

“Teinei” means “polite,” “kotobazukai” means “word usage,” and “onegaishimasu” is a polite “please.”

It’s formal and suitable for workplace or customer interactions.

It sets a positive tone for respectful communication.

Using this phrase shows professionalism and care.

A great phrase to keep in your formal conversation toolkit.

15. 下品な表現はご遠慮ください (Gehin na hyougen wa go-enryo kudasai) – “Please refrain from vulgar expressions.”

“Gehin” means “vulgar,” and “go-enryo kudasai” is a very polite “please refrain.”

This phrase is often used in signs or formal requests.

It’s a respectful way to ask people to avoid inappropriate language.

Perfect for public or professional settings.

Knowing this phrase helps you sound courteous and formal.

It’s a useful way to keep conversations clean and respectful.

16. 言葉遣いにお気をつけください (Kotobazukai ni o-ki o tsuke kudasai) – “Please be mindful of your language.”

This is a polite, formal way to ask someone to be careful with their words.

“O-ki o tsuke kudasai” is a respectful phrase meaning “please be careful.”

It fits well in professional and social situations alike.

It’s indirect, which helps keep the tone smooth and pleasant.

Use this when you want to remind someone without sounding confrontational.

Great for maintaining harmony in any setting.

Part 3: Very Casual / Native-like Expressions

17. そんな言葉、やめときなよ (Sonna kotoba, yametokina yo) – “You better stop saying that.”

This is a casual, native-sounding phrase often used among close friends.

“Yametokina” is a contracted form of “yameru + tokimasu,” meaning “better stop.”

It sounds natural and relaxed.

Great for informal settings where you want to give a friendly warning.

Be mindful that tone can make this playful or serious.

Use it to keep conversations fun but set boundaries.

18. そんな言葉使わないほうがいいよ (Sonna kotoba tsukawanai hou ga ii yo) – “You’d better not use those words.”

This phrase casually advises someone against swearing.

“Hou ga ii” means “better to,” making it a gentle suggestion.

It’s easy to remember and very natural.

Perfect for everyday chats with friends.

A polite but still casual way to say “don’t swear.”

Try to use it when you want to sound caring yet clear.

19. そんな言葉はダメだよ (Sonna kotoba wa dame da yo) – “Those words aren’t okay.”

This phrase is simple and clear, often used by native speakers.

“Dame” means “no good” or “not allowed,” making it a direct but friendly refusal.

It’s casual and common among peers.

Use it when you want to set a clear boundary without harshness.

It’s easy to say and understand.

A good phrase to keep handy for casual reminders.

20. そんな言葉はやめてくれよ (Sonna kotoba wa yamete kure yo) – “Please stop saying that.”

This is a casual, slightly stronger request among friends.

“Kure” adds a sense of “please do it for me,” making it personal.

It’s natural and common in everyday speech.

Best used with close friends or siblings.

It shows that the speaker cares enough to ask sincerely.

Use it when you want to be honest but still friendly.

21. そういう言葉はやめとけ (Sou iu kotoba wa yametoke) – “Stop saying those kinds of words (stronger).”

This phrase is very casual and a bit rougher, used among close peers.

“Yametoke” is a slangy imperative form meaning “stop it.”

It’s native-like and direct.

Use with caution, as it can sound commanding.

Great for informal, native-level conversations.

It’s a phrase that conveys seriousness with a casual tone.

22. 下品なこと言うなよ (Gehin na koto iu na yo) – “Don’t say vulgar things.”

This is a straightforward, casual phrase often used among friends.

“Iu na” is a negative command meaning “don’t say.”

It’s direct but usually said in a friendly way.

Use it when you want to stop swearing clearly but keep the mood light.

It’s a native expression that feels natural in everyday speech.

Perfect for casual conversations where you want to be honest but not rude.

Concluding Thought

There you have it—22 natural, warm, and practical ways to say “Don’t swear” in Japanese.

Whether you want to be gentle, polite, or casually clear, these phrases will help you communicate effectively and respectfully.

Learning and using these expressions will not only improve your Japanese but also help you connect better with people, showing your care and cultural awareness.