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B1 noun #1,500 le plus courant 11 min de lecture

しまった

shimatta
Entraîne-toi Exemples Notes et astuces しまった en 30 secondes
Explication しまった in your Level:
At the A1 beginner level, you can think of 'しまった' (shimatta) simply as the Japanese word for 'Oops!' or 'Oh no!'. When you are just starting to learn Japanese, you don't need to worry about the complex grammar behind it. Just memorize it as a useful reaction word. Imagine you are in a classroom and you drop your pencil on the floor. You can say 'しまった！' to show that you made a little mistake. Or, if you are walking and realize you went the wrong way, you can stop and say 'あ、しまった' (Ah, shimatta). It is very easy to use because you just say it by itself. You don't need to attach it to any other words to make it work. It is a great way to sound more natural when you make a small error. Remember that it is casual, so you use it mostly when talking to yourself or with friends. Do not use it to say 'I am sorry' to a teacher; use 'すみません' (sumimasen) for that. Just practice saying it with a little bit of surprise in your voice. It is one of the most fun and expressive words for beginners to learn, and native speakers will understand exactly how you feel when you use it.
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At the A2 level, you start to understand that 'しまった' is not just a random sound, but it comes from a verb. You are likely learning the grammar point '〜てしまう' (te-shimau), which means to do something completely or to do something by accident with a feeling of regret. 'しまった' is simply the past tense of that verb, used all by itself as an exclamation. When you say 'しまった', you are basically saying 'I have gone and done it!' or 'I messed up!'. You can start using it in slightly more complex situations. For example, if you realize you forgot your homework, you can say 'しまった！宿題を忘れた！' (Shimatta! Shukudai o wasureta!). Notice how 'しまった' comes first, acting like an alarm bell, and then you explain what the problem is. This makes your sentences flow much better. You can also use it when you miss a train or drop your phone. It is a very practical word for daily life in Japan. Just remember that it is still a word you say mostly to yourself to express your own frustration. It shows that you realize your mistake, which is a very important part of communicating effectively and politely in Japanese society.
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At the B1 intermediate level, your use of 'しまった' should become more nuanced and integrated into longer conversational flows. You now fully grasp that it expresses sudden regret or realization of an unintended negative consequence. At this stage, you should practice using it to manage conversations when you make an error. For instance, if you are speaking Japanese and realize you used the wrong word, you can quickly interject with 'あ、しまった、間違えました' (Ah, shimatta, machigaemashita) to self-correct naturally. This shows fluency and self-awareness. You will also notice how often it is paired with the `〜てしまった` grammar in the following sentence for emphasis: 'しまった、財布を落としてしまった' (Darn, I dropped my wallet). This repetition of the 'shimau' concept is very native-like. Furthermore, you should understand the social function of 'しまった'. Muttering it under your breath at work when you make a typo shows your colleagues that you are taking responsibility for your small errors without making a huge scene. It is a tool for emotional regulation and social harmony. You should also be able to distinguish it from 'やばい' (yabai), choosing 'しまった' when you want to sound slightly more mature or when the focus is strictly on regret rather than general panic.
At the B2 upper-intermediate level, you are expected to understand the subtle intonational and contextual variations of 'しまった'. It is no longer just 'oops'; it is a versatile tool for expressing varying degrees of dismay. You should be able to modulate your voice to convey a sudden, sharp realization (a quick 'しまった！') versus a slow, sinking feeling of despair (a drawn-out 'しまっ……た'). You will encounter it frequently in authentic materials like dramas, novels, and news interviews where people recount mistakes. At this level, you should also recognize its use in internal monologues within literature, often written in hiragana or katakana for stylistic effect. You understand that while it is an exclamation, it can be embedded in reported speech or thoughts, such as 'しまった、と思った時にはもう遅かった' (By the time I thought 'Oh no', it was already too late). This structure is crucial for narrative storytelling in Japanese. You should also be highly aware of register; knowing exactly when it is appropriate to use 'しまった' in a business setting (muttered to oneself) versus when it must be completely suppressed in favor of formal apologies. Mastery at B2 means using it not just correctly, but with the exact right emotional weight.
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At the C1 advanced level, 'しまった' is fully integrated into your expressive repertoire, and you understand its sociolinguistic implications. You recognize that 'しまった' is deeply tied to the Japanese cultural concept of 'hansei' (反省 - self-reflection and regret). Uttering 'しまった' is the immediate, verbal manifestation of hansei. It signals to the listener that the speaker has internalized the error. You can effortlessly use it in complex narrative structures and understand its stylistic variations in modern literature and media. You are aware of its etymological roots in the verb 'しまう' (to put away, to conclude), understanding how the concept of 'an action being finalized (negatively)' evolved into an interjection of regret. At this level, you can also play with the word for rhetorical or comedic effect, perhaps using it ironically when making a deliberate 'mistake' for a joke. You seamlessly switch between 'しまった', 'やっちまった', 'いけねぇ', and 'やばい' depending on the precise persona you wish to project and the exact social dynamic of the room. Your use of 'しまった' is indistinguishable from a native speaker's, perfectly timed and flawlessly intonated to match the severity of the situation.
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At the C2 mastery level, your understanding of 'しまった' transcends practical usage and enters the realm of linguistic and cultural analysis. You can discuss how the evolution of 'しまう' into an auxiliary verb of regret and subsequently into a standalone interjection reflects the Japanese psychological framework regarding finality and unintended consequences. You understand how 'しまった' functions within the broader ecosystem of Japanese apologetic and regretful language, contrasting it deeply with concepts like 'shou ga nai' (fatalism) and 'moushiwake nai' (social obligation). You can analyze its usage in classic and contemporary Japanese literature, noting how authors use the pacing and orthography of 'しまった' (e.g., using small tsu, varying kanji usage historically) to build tension or reveal character flaws. You are capable of explaining these nuances to other learners or native speakers, detailing why a specific instance of 'しまった' in a movie or book was the perfect dialogue choice. At this ultimate level of proficiency, 'しまった' is not just a vocabulary word; it is a lens through which you can examine Japanese emotional expression, social accountability, and the elegant grammatical shifts that occur over centuries of language evolution.
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Entraîne-toi Exemples Notes et astuces

しまった en 30 secondes

  • Expresses sudden regret or realization of a mistake.
  • Translates to 'Darn it!', 'Oh no!', or 'Oops!'.
  • Always used at the beginning of a sentence or alone.
  • Only used for your own mistakes, not as an apology to others.
The Japanese word 'しまった' (shimatta) is an incredibly common and highly expressive exclamation used primarily to convey a sudden sense of regret, realization of failure, or an unexpected negative outcome. In English, it most closely translates to 'Darn it!', 'Oh no!', 'Oops!', or 'I messed up!'. To truly understand the depth and utility of this word, we must first look at its grammatical origins. The word is the past tense form of the verb 'しまう' (shimau), which originally means 'to put away' or 'to finish'. Over time, this verb developed an auxiliary function when attached to the te-form of other verbs (〜てしまう), indicating that an action was completed, often with a nuance of regret, irreversibility, or unintended consequences. When used entirely on its own as a standalone interjection, 'しまった' encapsulates this entire feeling of irreversible regret into a single, punchy utterance. It is the verbal equivalent of slapping your forehead when you realize you left your keys inside the house.
Literal Origin
Past tense of the verb shimau (to finish/put away).

Sentence しまった、鍵を忘れた！ (Oh no, I forgot my keys!)

The emotional weight of 'しまった' can range from mild annoyance over a trivial mistake (like dropping a pen) to profound dismay over a significant error (like deleting an important work document). The context and the speaker's tone of voice dictate the severity of the exclamation. A quick, sharply spoken 'しまった！' usually indicates a sudden, minor realization. Conversely, a drawn-out, heavily sighed 'しまっ……た……' conveys a deep, sinking feeling of dread and significant consequence. Understanding this spectrum is crucial for learners aiming for natural fluency.
Emotional Range
From mild oops to severe realization of disaster.

Sentence しまった、電車に乗り遅れた。(Darn, I missed the train.)

Sentence しまった、財布を落とした。(Oh no, I dropped my wallet.)

In Japanese culture, expressing immediate recognition of one's own fault is an important part of social harmony and taking responsibility. Muttering 'しまった' to oneself when a mistake is made demonstrates self-awareness. It shows others around you that you recognize the error and are not trying to hide it or pass the blame. This makes it not just a word of frustration, but a social tool for accountability.
Social Function
Demonstrates self-awareness and immediate acceptance of a mistake.

Sentence しまった、会議は昨日だった。(Oops, the meeting was yesterday.)

Sentence しまった、言い過ぎた。(Darn, I said too much.)

Furthermore, 'しまった' is strictly used for one's own mistakes or situations that negatively affect the speaker. You would never use it to react to someone else's misfortune unless their misfortune directly causes a problem for you. It is a deeply personal expression of internalized regret. Mastering its usage will make your Japanese sound incredibly natural and emotionally resonant, bridging the gap between textbook grammar and real-world conversational fluency.
Using 'しまった' correctly involves understanding its placement in a sentence, the appropriate intonation, and the specific contexts where it shines. As an interjection, it almost always appears at the very beginning of a sentence or as a complete standalone utterance. When you realize a mistake, the immediate reaction is to say 'しまった！' before explaining what went wrong. This serves as a conversational marker, alerting the listener that you have just realized something negative.
Sentence Position
Always at the beginning of a thought or sentence.

Sentence しまった、宿題を家に忘れてきた。(Oh no, I left my homework at home.)

Intonation plays a massive role in how 'しまった' is perceived. A sharp, staccato delivery (shi-ma-tta!) indicates a sudden, shocking realization—like remembering you left the stove on. A slower, descending intonation implies a sense of defeat or resignation, often used when the consequences of the mistake are already unfolding and cannot be stopped.
Intonation
Sharp for sudden shock, slow and descending for defeat.

Sentence しまった、雨が降ってきた。(Darn it, it started raining.)

Sentence しまった、また同じミスをした。(Oh no, I made the same mistake again.)

It is also very common to follow 'しまった' with a sentence that uses the `〜てしまった` (te-shimatta) grammar structure, creating a sort of echoing effect of regret. For example: 'しまった、寝坊してしまった！' (Oh no, I overslept!). While this might seem repetitive to an English speaker, in Japanese, it perfectly frames the situation with a consistent tone of regret.
Grammar Combo
Pairs naturally with verbs in the te-shimatta form.

Sentence しまった、コーヒーをこぼしてしまった。(Oops, I spilled my coffee.)

Sentence しまった、秘密を話してしまった。(Darn, I accidentally told the secret.)

In written Japanese, such as in text messages or casual emails, you will often see it written in hiragana. Sometimes, to add emphasis or a comedic effect, it might be written in katakana (シマッタ) or with a small tsu at the end (しまったっ！) to indicate a sharp cutoff in speech. When texting friends, it's a quick way to convey that you've messed up without needing to write a long apology first. It sets the stage for the explanation that follows. Remember that while it is not highly offensive, it is inherently casual. You would not use it in a formal speech or a highly professional apology to a client, where words like '申し訳ございません' (moushiwake gozaimasen) are required. However, muttering it to yourself in the office when you realize a typo is perfectly normal and humanizing.
You will encounter 'しまった' absolutely everywhere in Japan, as it is a fundamental part of the daily emotional vocabulary. One of the most prominent places learners first hear it is in Japanese pop culture, specifically anime, manga, and dramas. In these mediums, it is often used for dramatic or comedic effect. A protagonist might yell 'しまった！' when they realize they have fallen into a trap, or a slice-of-life character might sigh it when they realize they bought the wrong brand of milk.
Pop Culture
Extremely common in anime and manga for dramatic realization.

Sentence しまった、罠だ！(Oh no, it's a trap!)

In real life, the workplace is a common setting for hearing 'しまった', albeit usually in a much quieter, more subdued tone. When a colleague realizes they forgot to CC someone on an email, or when they print a document double-sided instead of single-sided, you might hear a soft 'あ、しまった' (Ah, shimatta) from the next desk over. It is the universal sound of a minor professional blunder.
Workplace
Muttered softly when realizing a minor clerical error.

Sentence あ、しまった。添付ファイルを忘れた。(Ah, oops. I forgot the attachment.)

Sentence しまった、印刷を間違えた。(Darn, I printed it wrong.)

Sports and competitive gaming are other areas where 'しまった' is frequently vocalized. A tennis player missing a crucial shot, a gamer making a tactical error, or a fan watching their favorite team concede a goal will all instinctively use this word. In these contexts, it is often shouted and carries a strong sense of immediate frustration and self-reproach.
Sports & Gaming
Used loudly to express frustration at a bad play or mistake.

Sentence しまった、パスをミスした！(Darn it, I messed up the pass!)

Sentence しまった、負けた。(Oh no, I lost.)

You will also hear it in everyday domestic life. Parents might say it when they realize they forgot to buy ingredients for dinner, and children might say it when they drop a toy. It transcends age and gender, making it one of the most universally understood and utilized expressions in the Japanese language. Because it is so ingrained in the culture of self-reflection and acknowledging one's own faults, hearing it provides a window into the Japanese mindset regarding personal responsibility and the immediate emotional processing of failure, no matter how small.
While 'しまった' is a relatively straightforward exclamation, learners often make a few distinct mistakes when trying to incorporate it into their active vocabulary. The most significant mistake is using it as a formal apology. 'しまった' expresses your internal regret; it does not convey an apology to another person. If you bump into someone on the street, saying 'しまった' makes it sound like you are only annoyed at your own clumsiness, rather than sorry for hurting them. You must use 'すみません' (sumimasen) or 'ごめんなさい' (gomennasai) instead.
Not an Apology
Never use it to apologize to someone else directly.

Sentence しまった、お客様のグラスを割ってしまった。(Oh no, I broke the customer's glass. - Needs an apology after!)

Another common error is using it for situations that are completely out of your control and have nothing to do with your actions. For example, if you look out the window and see that a typhoon has destroyed a local park, saying 'しまった' sounds unnatural because you didn't cause the typhoon. In such cases, expressions like '大変だ' (taihen da) or '最悪だ' (saiaku da) are more appropriate. 'しまった' requires a sense of personal agency or a direct negative impact on your own plans caused by an oversight.
Requires Agency
Only use it when you made a mistake or forgot something.

Sentence しまった、傘を持ってくるのを忘れた。(Darn, I forgot to bring my umbrella.)

Sentence しまった、予約の日を間違えた。(Oops, I got the reservation date wrong.)

Learners also sometimes confuse 'しまった' with 'しょうがない' (shou ga nai). While both deal with negative situations, 'しょうがない' means 'it can't be helped' and implies acceptance of a situation, whereas 'しまった' implies active regret and frustration that the situation *could* have been avoided if you hadn't messed up. Using them interchangeably leads to confusing conversations.
Confusion with Shouganai
Do not use when accepting fate; use when regretting an action.

Sentence しまった、もっと早く出発すればよかった。(Darn, I should have left earlier.)

Sentence しまった、テストの答えを書き間違えた。(Oh no, I wrote the wrong answer on the test.)

Finally, overusing it can make you sound slightly cartoonish or overly dramatic. While it is common, native speakers don't say it for every single tiny inconvenience. Reserving it for moments of genuine realization of a mistake will make your Japanese sound much more mature and natural. Pay attention to how often native speakers around you use it to gauge the appropriate frequency.
The Japanese language is rich in expressions of regret and sudden realization, providing several alternatives to 'しまった' that carry slightly different nuances. One of the most common colloquial alternatives is 'やばい' (yabai). While 'やばい' originally meant 'dangerous', it has evolved to mean 'oh no', 'crap', or even 'amazing' depending on the context. When used for a mistake, 'やばい' feels much more modern, slangy, and urgent than 'しまった'. Young people are much more likely to exclaim 'やばい！' when they drop their phone, whereas 'しまった' feels slightly more traditional and standard.
Yabai (やばい)
More casual, modern slang. Can mean dangerous or amazing too.

Sentence しまった、やばいことになった。(Oh no, things have gotten bad.)

Another very similar expression is 'あちゃー' (achaa). This is a very casual, almost comical interjection used when witnessing a minor disaster or making a silly mistake. It is the verbal equivalent of a facepalm. While 'しまった' can be used for serious mistakes, 'あちゃー' is almost exclusively reserved for lighthearted or mildly annoying situations where the consequences are not severe.
Achaa (あちゃー)
Comical, lighthearted facepalm moment.

Sentence しまった、塩と砂糖を間違えた。(Oops, I mixed up the salt and sugar.)

Sentence しまった、服を裏返しに着ていた。(Darn, I was wearing my clothes inside out.)

For a more masculine or rougher equivalent, you might hear 'やっちまった' (yacchimatta). This is a colloquial contraction of 'やってしまった' (yatte shimatta - I went and did it). It carries a stronger sense of 'I really messed up' and is often used by men in casual situations. It implies a slightly more foolish or reckless mistake than the standard 'しまった'.
Yacchimatta (やっちまった)
Rough, masculine contraction of yatte shimatta.

Sentence しまった、また飲みすぎた。(Oh no, I drank too much again.)

Sentence しまった、完全に忘れていた。(Darn it, I completely forgot.)

Finally, there is 'いけない' (ikenai) or 'いけねぇ' (ikenee). This translates closer to 'Oh, I shouldn't have done that' or 'That's bad'. It is often used when remembering an obligation or realizing a rule has been broken. While 'しまった' focuses purely on the regret of the outcome, 'いけない' focuses slightly more on the fact that the action itself was wrong or forbidden. Understanding these subtle differences allows you to choose the perfect exclamation for any given blunder, adding rich emotional texture to your spoken Japanese.

How Formal Is It?

Niveau de difficulté

Grammaire à connaître

〜てしまう (te-shimau) - doing something completely or regrettably.

〜かもしれない (kamo shirenai) - might / maybe (often follows shimatta).

〜べきだった (beki datta) - should have done (expressing regret).

〜なきゃよかった (nakya yokatta) - shouldn't have done.

Past tense verbs (ta-form) used for immediate realization (e.g., あった！).

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Exemples par niveau

1

しまった！

Oops!

Used alone as an exclamation.

2

あ、しまった。

Ah, oh no.

Often preceded by 'ah' for sudden realization.

3

しまった、雨だ。

Darn, it's raining.

Followed by a simple noun state.

4

しまった、遅刻だ。

Oh no, I'm late.

Used with a simple noun for the problem.

5

しまった、忘れた！

Oops, I forgot!

Followed by a simple past tense verb.

6

しまった、落ちた。

Oh no, it fell.

Basic description of a negative event.

7

しまった、ない！

Darn, it's not here!

Used with the negative 'nai'.

8

しまった、間違えた。

Oops, I made a mistake.

Very common combination with machigaeta.

1

しまった、宿題を忘れた。

Oh no, I forgot my homework.

Followed by an object and past tense verb.

2

しまった、電車が行ってしまった。

Darn, the train left.

Using te-shimau in the following sentence.

3

しまった、財布を家に忘れた。

Oops, I left my wallet at home.

Specifying location with 'ni'.

4

しまった、寝坊した！

Oh no, I overslept!

Common daily life mistake.

5

しまった、コーヒーをこぼした。

Darn, I spilled coffee.

Action causing immediate regret.

6

しまった、切符をなくした。

Oh no, I lost my ticket.

Expressing loss.

7

しまった、もう時間がない。

Darn, there's no more time.

Expressing a negative state.

8

しまった、鍵をかけ忘れた。

Oops, I forgot to lock the door.

Using verb stem + wasureta.

1

しまった、彼に本当のことを言ってしまった。

Oh no, I accidentally told him the truth.

Combining with te-shimatta for deep regret.

2

しまった、今日の会議は午後からだった。

Darn, today's meeting was from the afternoon.

Realizing a scheduling error.

3

しまった、もっと早く準備するべきだった。

Oh no, I should have prepared earlier.

Using 'beki datta' (should have).

4

しまった、スマホの充電が切れそうだ。

Darn, my phone battery is about to die.

Using 'sou da' for impending negative event.

5

しまった、このメール、全員に返信してしまった。

Oops, I replied all to this email.

Workplace mistake context.

6

しまった、予約をキャンセルするのを忘れていた。

Oh no, I forgot to cancel the reservation.

Using nominalizer 'no' + wasurete ita.

7

しまった、道に迷ったかもしれない。

Darn, I might be lost.

Using 'kamo shirenai' (might be).

8

しまった、セールは昨日までだったのか。

Oh no, the sale was only until yesterday?

Using 'no ka' for sudden realization.

1

「しまった」と思った時には、すでに手遅れだった。

By the time I thought 'Oh no', it was already too late.

Embedded in a quote with 'to omotta toki ni wa'.

2

しまった、うっかり秘密を漏らしてしまった。

Darn, I carelessly let the secret slip.

Using 'ukkari' (carelessly) for emphasis.

3

しまった、こんなことなら引き受けなければよかった。

Oh no, if it was going to be like this, I shouldn't have accepted.

Using conditional 'nara' and 'nakereba yokatta'.

4

しまった、完全に私の勘違いでした。

Oops, it was completely my misunderstanding.

Transitioning from casual exclamation to polite explanation.

5

しまった、余計な一言を言って空気を悪くしてしまった。

Darn, I said an unnecessary word and ruined the mood.

Complex sentence describing social consequence.

6

しまった、データのバックアップを取るのを怠った。

Oh no, I neglected to back up the data.

Using formal vocabulary like 'okotatta' (neglected).

7

しまった、あの時もっと強気に出るべきだったな。

Darn, I should have acted stronger back then.

Using 'na' for self-reflection.

8

しまった、彼の名前がどうしても思い出せない。

Oh no, I just can't remember his name no matter what.

Using 'doushitemo' + potential negative.

1

しまった、という表情を彼は一瞬だけ浮かべた。

He showed an 'oh no' expression for just a brief moment.

Using 'to iu hyoujou' (an expression that says).

2

しまった、これは相手の巧妙な罠にはまったな。

Darn, I've fallen into the opponent's clever trap.

Advanced vocabulary 'koumyou' (clever) and 'hamatta'.

3

しまった、感情に任せて取り返しのつかないことを言った。

Oh no, I let my emotions take over and said something irreversible.

Using 'kanjou ni makasete' and 'torikaeshi no tsukanai'.

4

しまった、初期設定の段階で致命的なミスを犯していた。

Darn, I made a fatal error during the initial setup phase.

Technical/formal context with 'chimeiteki na misu'.

5

しまった、彼のプライドを傷つけるような言い方だったか。

Oh no, was my way of speaking something that hurt his pride?

Nuanced social reflection.

6

しまった、この投資は完全に裏目に出たようだ。

Darn, it seems this investment has completely backfired.

Using idiom 'urame ni deru' (to backfire).

7

しまった、あの忠告を素直に聞き入れておくべきだった。

Oh no, I should have obediently listened to that advice.

Using 'sunao ni' and 'kikiirete oku'.

8

しまった、と舌打ちをしたが、状況は何も変わらない。

I clicked my tongue thinking 'darn it', but the situation didn't change at all.

Describing physical reaction 'shitauchi' (tongue click).

1

「しまった」の一言で済まされるような事態ではない。

This is not a situation that can be settled with a single word of 'oops'.

Using passive 'sumasareru' (to be settled/excused).

2

しまった、という悔恨の念が、彼の胸を激しく締め付けた。

The feeling of remorse, thinking 'oh no', violently tightened his chest.

Literary style with 'kaikon no nen' (feeling of remorse).

3

しまった、と気付いた刹那、車はスピンし始めていた。

The instant I realized 'oh no', the car had already begun to spin.

Using 'setsuna' (the instant/moment).

4

しまった、己の慢心がこの悲劇を招いたのだと痛感した。

Darn it, I keenly realized that my own conceit invited this tragedy.

Highly formal/literary vocabulary 'manshin' (conceit), 'tsuukan' (keen realization).

5

しまった、彼の言葉の裏にある真意を読み違えていた。

Oh no, I misread the true intention behind his words.

Using 'shin-i' (true intention) and 'yomichigaeru' (misread).

6

しまった、この期に及んで未練がましいことを考えている。

Darn, even at this late stage, I am thinking lingering, regretful thoughts.

Using idioms 'kono go ni oyonde' and 'mirengamashii'.

7

しまった、という自責の念に駆られ、夜も眠れなかった。

Driven by the feeling of self-reproach thinking 'oh no', I couldn't even sleep at night.

Using 'jiseki no nen ni karareru' (driven by self-reproach).

8

しまった、歴史の歯車を狂わせる一手を打ってしまったか。

Oh no, have I made a move that will throw the gears of history out of order?

Poetic/dramatic metaphor 'rekishi no haguruma o kuruwaseru'.

Collocations courantes

しまった、忘れた
しまった、遅刻だ
あ、しまった
しまったと思う
しまったという顔

Phrases Courantes

しまった、どうしよう
しまった、やっちまった
あー、しまった
しまった、間違えた
しまった、落とした
しまった、寝坊した
しまった、時間がない
しまった、言わなきゃよかった
しまった、もう遅い
しまった、電車が行っちゃった

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しまった vs しょうがない (Shou ga nai) - Means 'it can't be helped'. Used for things out of your control. Shimatta is for your own mistakes.

しまった vs すみません (Sumimasen) - Means 'I'm sorry'. Used to apologize to others. Shimatta is just expressing your own regret.

しまった vs 残念 (Zannen) - Means 'unfortunate' or 'disappointing'. Used to express sympathy or disappointment, not sudden realization of a mistake.

Expressions idiomatiques

"後の祭り (Too late/Damage is done)"
"覆水盆に返らず (Spilt milk)"
"取り返しがつかない (Irreversible)"
"油断大敵 (Carelessness is the greatest enemy)"
"足元をすくわれる (To have the rug pulled out from under you)"
"墓穴を掘る (To dig one's own grave)"
"自業自得 (You reap what you sow)"
"身から出た錆 (Suffering from one's own bad deeds)"
"後の後悔先に立たず (Repentance comes too late)"
"ドジを踏む (To mess up)"

Facile à confondre

しまった vs

しまった vs

しまった vs

しまった vs

しまった vs

Structures de phrases

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Comment l'utiliser

age

Used by all ages.

gender

Gender-neutral.

formality

Casual. Do not use as a formal apology.

Erreurs courantes
  • Using 'shimatta' as an apology to a boss or teacher instead of 'sumimasen'.
  • Saying 'shimatta' when someone else makes a mistake.
  • Using 'shimatta' for unavoidable natural disasters or bad weather you didn't cause.
  • Writing it in kanji (仕舞った) when using it as an exclamation.
  • Confusing it with 'shou ga nai' (it can't be helped).

Astuces

Mutter it, don't shout it

In professional settings, if you make a small mistake, mutter 'shimatta' softly to yourself. Shouting it will draw unnecessary attention. It shows self-awareness without causing a scene. Native speakers do this constantly.

Pair with Te-Shimau

To sound incredibly natural, follow 'shimatta' with a sentence ending in '〜てしまった' (te-shimatta). For example: 'Shimatta, wasurete shimatta'. It emphasizes the regret perfectly. This is a classic Japanese sentence pattern.

Always apologize after

If your mistake inconveniences someone else, 'shimatta' is not enough. You must immediately follow it with 'sumimasen' or 'gomen nasai'. 'Shimatta' explains your surprise; the apology repairs the relationship. Never forget this two-step process.

Control your intonation

Practice saying it with different emotions. A short, sharp 'shimatta!' sounds like a sudden shock. A long, drawn-out 'shimaaatta...' sounds like deep despair. Your tone conveys the size of the mistake.

Stick to Hiragana

Never try to write the exclamation 'shimatta' in kanji. It will confuse the reader. Always use hiragana (しまった). For texting friends, katakana (シマッタ) adds a fun, dramatic flair.

Listen for the pause

When native speakers use it, there is almost always a micro-pause right after 'shimatta' before they explain the problem. Listen for this rhythm in anime or dramas. Mimicking this pause will improve your speaking rhythm.

Learn the alternatives

While 'shimatta' is great, learn 'yabai' for casual situations and 'achaa' for funny mistakes. Having a variety of reaction words makes you sound much more fluent. Choose the right word for the right vibe.

Don't use for others

Remember the golden rule: 'shimatta' is for YOUR mistakes. Do not use it when someone else trips or drops something. It sounds self-centered. Use expressions of concern instead.

Embrace Hansei

Understand that saying 'shimatta' is part of the culture of 'hansei' (self-reflection). It's a good thing to acknowledge your mistakes quickly in Japan. Don't be afraid to use it when you mess up.

Talk to yourself

The best way to practice 'shimatta' is to use it when you are alone. Drop a sock while doing laundry? Say 'shimatta!'. Burn your toast? Say 'shimatta!'. Building the reflex is key to fluency.

Mémorise-le

Moyen mnémotechnique

Imagine you SHIMMY (shima) over to a table, bump it, and drop your TAco (tta). You yell 'SHIMA-TTA!' (Darn it!).

Origine du mot

Derived from the verb 'しまう' (shimau), meaning to finish, conclude, or put away.

Contexte culturel

Often accompanied by a sharp intake of breath or a slight bowing of the head.

Casual/Colloquial. Acceptable to mutter in formal settings, but not to use addressing superiors.

Pratique dans la vie réelle

Contextes réels

Amorces de conversation

"しまった！財布を忘れた！お金貸してくれない？ (Oh no! I forgot my wallet! Can you lend me some money?)"

"あ、しまった。今日って火曜日だっけ？ (Ah, darn. Is today Tuesday?)"

"しまった、傘持ってくるの忘れた。雨降りそう？ (Oops, forgot my umbrella. Does it look like rain?)"

"しまった、あのテレビ番組見るの忘れた！ (Oh no, I forgot to watch that TV show!)"

"しまった、コーヒーこぼしちゃった。ティッシュある？ (Darn, I spilled coffee. Do you have a tissue?)"

Sujets d'écriture

Write about a time recently when you had to say 'しまった'. What happened?

Describe a situation where someone else made a mistake. Why shouldn't you say 'しまった' to them?

How does the feeling of 'しまった' differ from the feeling of 'しょうがない' (it can't be helped)?

Write a short dialogue between two friends where one realizes they lost their train ticket.

List 5 common daily mistakes that would make you say 'しまった'.

Questions fréquentes

10 questions

No, absolutely not. 'Shimatta' is an exclamation of your own regret, like saying 'Oops' or 'Darn it'. If you say it to your boss when you make a mistake, it sounds like you are only annoyed at yourself, not actually apologizing to them. You must use a proper apology like 'moushiwake gozaimasen'. You can mutter 'shimatta' to yourself before apologizing, but the apology itself must follow.

No, it is not a swear word. It is a very mild, socially acceptable exclamation. It is perfectly fine for children to use, and it is commonly heard on daytime television. While it translates to 'Darn it' or 'Crap' in English, it lacks the vulgarity associated with English swear words. It is simply an expression of regret.

'Yabai' is a much more modern, slangy term that originally meant 'dangerous' but now means 'oh no', 'crap', or even 'amazing'. 'Shimatta' is more traditional and specifically focuses on the regret of making a mistake. 'Yabai' can be used when you are in trouble because of someone else, but 'shimatta' is almost always for your own mistakes.

Saying 'shimatta' is a vocalization of 'hansei' (self-reflection). Uttering it, even when alone, is a way of verbally processing a mistake and acknowledging it. It helps to release the immediate frustration of the error. It is a deeply ingrained habit in Japanese culture to vocalize this realization.

Generally, no. 'Shimatta' is for your own mistakes or situations that negatively affect you. If someone else drops their phone, you might say 'あ！' (Ah!) or '大丈夫ですか？' (Are you okay?). Saying 'shimatta' would sound strange, as if their dropping the phone somehow ruined your own plans.

While it comes from the verb 'しまう' which can be written as '仕舞う' or '了う', as an interjection, 'しまった' is almost exclusively written in hiragana. Writing it in kanji would look very strange and overly formal for an exclamation. Sometimes it is written in katakana (シマッタ) for stylistic emphasis.

It can! The past tense of the verb '閉まる' (shimaru - to close) is also 'しまった' (shimatta). For example, 'ドアが閉まった' (doa ga shimatta) means 'the door closed'. You must rely on context. If it's at the beginning of a sentence with an exclamation mark, it's 'Oops!'. If it follows a noun and the particle 'ga', it probably means 'closed'.

Yes, you can. The severity of 'shimatta' depends entirely on your tone of voice. A quick 'shimatta' is for dropping a pen. A slow, horrified 'shimatta...' can be used when realizing you've made a massive, life-altering mistake. It scales with the emotion you put into it.

Usually, you follow it with a brief explanation of what went wrong. For example, 'Shimatta, wasureta!' (Oops, I forgot!). If your mistake affects someone else, you must follow it with an apology: 'Shimatta! Gomen nasai!' (Oh no! I'm sorry!). It acts as the introduction to the problem.

Yes, it is completely gender-neutral. Both men and women use it equally in daily life. There are rougher variations like 'yacchimatta' which are more commonly used by men, but standard 'shimatta' is universal.

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