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🇯🇵🚨 Japanese Swear Words You Totally Should(n't) Use 🚨🇯🇵

Last updated: February 18, 2025

A Japanese girl about to swearing with her fingers, sourced from @decoponkann on X

When most people think of the Japanese language, images of bowing, polite keigo (formal speech), and a society deeply rooted in respect likely comes to mind.

But you, my friend—you straight up Googled Japanese swear words.

Nice.

As it happens, behind Japanese's stereotypically polite veneer, a treasure trove of "colorful" language just waiting for you to stub your toe on it. While perhaps not as explicit in nature or quite as widely used as in other cultures, the language does have its fair share of fascinating, nuanced, and occasionally eyebrow-raising curses.

Here, we'll cover all of the bad words we think a person might want to know.

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Why learn Japanese curse words, anyway? 

Before we actually share our first glorious bits of Japanese profanity, let’s take a minute to justify ourselves: why should you bother with swear words if you're learning Japanese? After all, you don’t need them to get through your day. Right? (Right?)

Well, here’s the thing:

  1. They help you understand native content
    If you’re consuming pretty much any Japanese media, you're going to run into profanity. These are real Japanese words that real Japanese people say. If you aren't up to speed on your rude derogatory language, you're occasionally going to miss emotional context and nuance. That would be unfortunate.
  2. They reveal some sort of interesting cultural insights
    The things a language chooses to blaspheme with gives you a peek at what they consider sacred, and you can gain similarly interesting insights from taking a moment to consider the things they find demeaning or insulting. This likely won't ever be useful knowledge to you, but it's interesting food for thought.
  3. They help you avoid offending people
    This one needs some context. Research has shown that, when speaking a second language, our depth perception for the offensiveness of curses is dulled. If you don't take a moment to look into how bad a bad word actually is, you might end up inadvertently saying something much ruder than you expected.

We thus present you with this golden rule:

Know, but don't use.

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Common Japanese Swear Words: A Crash Course

Here’s a list of some of the most common Japanese swear words, their meanings, and when they’re used.

Japanese

Romaji

Meaning

Notes

くそ
Kuso
Shit / Damn
Literally means "poo", and used to express anger or frustration, just like in English.
Often combined with other words as a prefix, a la "kuso gaki" (spoiled brat, literally "poo kid")
バカ
Baka
Idiot / Stupid
Probably the most famous Japanese swear word.
Just like in English, can be playful or offensive depending on the context or tone of voice.
あほ
Aho
Moron
Milder than "baka" in the Kansai area, harsher than "baka" everywhere else
ちくしょう
Chikushou
Damn it!
A quite mild exclamation you can use when you're frustrated.
うざい
Uzai
Pain in the ass
Short for うざったい.
This is a slangy and informal way to say that something is so annoying you can't stand it.
てめえ
Temee
You (rude)
Even the normal way to say "you" (あなた) is considered rude in Japanese.
This more aggressive and disrespectful variant is basically like addressing someone as "you bastard".
Common in manga and anime, but only used in real life when people are actually fighting.
死ね
Shine
Die / go to hell
Literally the command form of 死ぬ (shinu, "to die").
Considered to be one of Japanese's most rude expressions.
Again, this is another fighting word.

Swearing 101: Tone, context, and Japanese culture

As in English, when you're swearing in Japanese, it's not just about what you're saying.

Consider the following situations:

  • You beat your friend in a match of Super Smash Bros. As you deliver the KO, he laughs and says "go to hell, man"
  • You call a friend you haven't seen in a long time and ask if they want to hang out. In a voice dripping with venom, they say "Go to hell" and then hang up.

Hits different, doesn't it?

The context in which a curse is uttered, and the tone with which it is said, has a big impact on how offensive it is. This is as true in Japanese as it is in English: whether or not バカ sounds playful or rude has a lot to do with your delivery.

Focus on the situation and intent, not the word itself

Now, think about the difference between these three expressions:

  • Shut up
  • Shut the hell up
  • Shut the fuck up

They all mean the same thing, but adding curse words intensifies the expression. While we often use curse words like this in English, you don't necessarily need curse words to get the same effect in Japanese.

Below are a few common English expressions and the most common translations I saw when skimming articles explaining English swear words for Japanese people:

  • What the hell did you just say?
    今何って言ったんだ?
    いまなんっていったんだ?
    Note: There is no word that corresponds to "hell". This is literally just "what did you say" in casual/informal language.
  • What the fuck are you doing?
    一体何をしているんだ?
    いったいなにをしているんだ?
    Again, there's no word that directly corresponds to "fuck" here. This could also be translated as "what the heck are you doing?".
  • What the fuck?
    なんだって!? / なんじゃそりゃ! / なんてこった!
    Again, none of these words correspond to "fuck". All three translations are just expressions of surprise.

In other words:

Worry less about how to translate a specific English swear word into Japanese.

Worry more about what Japanese people say in the situations where you would use a particular swear word in English.

Busu and Yarou: A bit of gender-specific profanity and insulting words

As with most languages, Japanese has its fair share of gendered insults. Again, for an interesting thought experiment, take a moment to think about the ways that men are insulted, how that differs from how women get insulted, and why that difference exists.

While on the topic of gender—note that, in Japanese culture, women who swear are judged more harshly than men who swear.

Anyway, here's a short list of stuff you might hear:

Japanese insults directed at men

Here are some colorful expressions that you may hear directed at men:

Japanese

Romaji

Meaning

Notes

野郎
Yarou
Jerk / bastard
Often この野郎, or combined with other insults, such as 馬鹿野郎 (baka yarou).
クズ男
Kuzu otoko
Loser / scumbag
The type of man who lies and does things like borrow money without returning it.
They're probably rude to women and may be a cheater or stalker.
ハゲ
Hage
Baldy
A jab at a man's physical appearance.
クソジジ
Kuso jiji
Old bastard
An insult directed at older men.

Japanese insults directed at women

And here are some less than polite words and phrases you may hear directed at women:

Japanese

Romaji

Meaning

Notes

ブス
Busu
Ugly woman
An insulting way to say that a woman is less than attractive.
デブス
Debusu
Fat ugly woman
A combination of デブ (fatty) and ブス.
アバズレ
Abazure
Bitch
A strong insult with sexist overtones.
ババア
Babaa
Old hag
An insult directed at older women. Often クソババ.

A few more aggressive swears for good measure

If you’ve watched any action-packed anime, you’ve likely heard things like this:

  • だまれ (Damare) : “Shut the hell up.”
  • くたばれ (Kutabare) : “Drop dead.”
  • ふざけるな (Fuzakeru na) : “Don’t fuck with me.”

The thing is, you likely won't hear much of them in real life.

It's not that Japanese people don't swear, or that these words are fake. Rather, there just aren't really that many situations where you're realistically going to tell somebody to go to fucking hell in real life. (Really, when was the last time you said that in English?)

Even when you think about anime, dramas, or movies—the character's aren't necessarily just swearing without abandon. They're in life or death situations, being cheated on, and stuff like that—situations in which it's perfectly understandable that a person would be genuinely angry and use confrontational language... and situations that you hopefully don't often find yourself in.

Basically: unless you're drunk and picking a fight with the other drunk guy outside of 7/11, you probably won't find good situations to use words like てめえ or 死ね.

How do you learn Japanese profanity if no textbooks teach it?

Let's be real: Genki ain't gonna teach you this shit.

Neither is your Japanese teacher.

Migaku will 💪 ‼️ 🤫

To be clear— while we don't teach you to swear like a drunken sailor salary man, we do give you the tools you need to learn how to do so, if you feel that you must.

You see, all you have to do is watch (or read) Japanese content. People are eventually going to swear. I mean, check this out—it's a kindly-looking middle-aged woman who runs a cooking channel on YouTube. She thought she'd found a killer recipe for lemon pudding... but then, shortly after doing the taste test, she drops a ちくしょう.

Good students with innocent ears that we are, we don't know what that means.

That's where Migaku comes in.

A japanese woman expressing her frustration with ちくしょう

Migaku parses Japanese text on places like YouTube and Netflix (and basically anywhere with text you can highlight) to make it interactive. After Migaku has parsed a page, you can simply click on a word in subtitles or a paragraph to bring up a dictionary definition of what the word means. If it isn't in our dictionary, you can instead get an AI explain what it means, given the context of your sentence.

So let's say that you decide that ちくしょう looks like a useful word to learn.

Just click on that orange button in the top-right corner of the Migaku dictionary.

We'll automatically make you a flashcard like this:

A flashcard that Migaku automatically created to help you learn the meaning of

To make that flashcard, Migaku automatically combined several things:

  • Your target word (ちくしょう) and the sentence it appeared in were copied
  • A screenshot was taken of the scene where ちくしょう was uttered
  • An audio snippet of the line of dialogue where ちくしょう appeared
  • A dictionary definition of ちくしょう
  • An example sentence of the word being used in context, just in case

It's kinda beautiful. What's more, that flashcard gets dropped right into Migaku's spaced repetition software, ensuring that you eventually remember it.

Listen up, baka: some closing words about rude words

The way you learn Japanese swear words is by consuming Japanese content you enjoy, encountering them in context, and learning them as you go.

The thing is, that's actually how you should learn normal Japanese, too.

The way we really make progress in a foreign language is by interacting with its media and understanding the messages within that media. If you consume Japanese content, and understand that content, you'll get better at Japanese. Period.

You've now learned a good handful of Japanese swear words, but that's only half the battle. Now you need to see a lot of examples of them being used so you can get a feel for the weight they carry and when Japanese people say them.

Basically: Know, but don't use. (Yet).