At the A1 level, learners are just beginning to grasp basic vocabulary. The concept of regret is likely too complex, and words related to deep emotions are not typically encountered. Focus would be on simple greetings and basic needs.
A2 learners are building a foundational vocabulary. They might understand simple expressions of sadness or disappointment, but the nuanced meaning of 悔やむ, which involves deep personal reflection on past events, would be beyond their current scope. They might grasp a very simplified 'sad about the past'.
B1 learners are developing the ability to express opinions and feelings. They can understand the main points of clear standard input on familiar matters. The concept of regretting past actions or missed opportunities fits within this level. They can understand and use 悔やむ in contexts involving personal reflections and common life experiences.
B2 learners can understand the main ideas of complex text and interact with a degree of fluency and spontaneity. They can use 悔やむ to express more sophisticated forms of regret, lamentation, or repentance, understanding its emotional weight and its use in more nuanced personal or literary contexts.
C1 learners have a high degree of fluency and can understand a wide range of demanding, longer texts, and recognize implicit meaning. They can use 悔やむ with precision and in a variety of contexts, including literary and formal discourse, appreciating its subtle shades of meaning and emotional impact.
C2 learners can understand with ease virtually everything heard or read. They can express themselves fluently and spontaneously and very accurately. They can use 悔やむ in highly nuanced ways, understanding its full spectrum of meaning and its cultural implications, and employing it with native-like mastery.

悔やむ in 30 Seconds

  • 悔やむ (kuyamu) means to regret or lament past actions or events.
  • It implies a strong emotional feeling of wishing things were different.
  • Often used for personal mistakes, missed opportunities, or unfortunate circumstances.
  • Similar to 後悔する (koukaisuru) but can carry a deeper sense of lament.
Core Meaning
To regret; to lament; to repent. This verb expresses a strong feeling of sorrow or disappointment about something that has happened or something that you did (or did not do) in the past. It's a feeling of wishing things were different.
Nuances
While often translated as 'regret', 悔やむ can carry a deeper sense of lament, especially when referring to unavoidable misfortunes or lost opportunities. It implies a more profound emotional impact than a simple 'wish I hadn't'.
When to Use It
You use 悔やむ when you are thinking about a past event and feeling unhappy or sad about it. This could be a personal mistake, a missed chance, or even something bad that happened to someone else that you feel sympathy for. It's often used when the consequences of the past event are still felt.

遅ればせながら、あの時もっと勉強しておけばよかったと今になって悔やんでいます。

Translation Hint: Belatedly, I regret now that I didn't study more at that time.

若気の至りで、友人を傷つけてしまったことを深く悔やんでいる。

Translation Hint: I deeply regret hurting my friend due to youthful indiscretion.

人間は、行動しなかったことを最も悔やむものだ。

Translation Hint: People regret most the things they did not do.
Emotional Weight
The feeling associated with 悔やむ is often one of sorrow, remorse, or a deep sense of loss. It's more than just a simple acknowledgement of a mistake; it's an emotional burden carried from the past.
Contextual Usage
It's commonly used in personal reflections, stories about past mistakes, or discussions about missed opportunities. You might hear it in contexts where someone is looking back on their life or a significant period within it.
Basic Structure
The most common way to use 悔やむ is in the form of regrets about specific past actions or situations. It often appears with particles like 「~てよかった」 (wish I had done X) or 「~ばよかった」 (if only I had done X) in the negative, or simply stating the object of regret.
Expressing Regret about Actions
When you regret something you did, you can say 「~したことを悔やむ」. For example, 「嘘をついたことを悔やむ」 (I regret telling a lie).
Expressing Regret about Inaction
Conversely, when you regret something you *didn't* do, it often uses the structure 「~しなかったことを悔やむ」 or the more common 「~すればよかった」 (if only I had done X). For instance, 「もっと早く行動すればよかったと悔やんでいる」 (I regret not acting sooner, thinking 'if only I had acted sooner').
Lamenting Circumstances
You can also use 悔やむ to lament unfortunate circumstances that were beyond your control, though this is less common than regretting personal actions. For example, 「病気で参加できなかったことを悔やむ」 (I lament that I couldn't participate due to illness).
Past Tense Usage
The verb is often used in its past tense form, 悔やんだ (kuyanda), to describe the feeling of regret that occurred in the past, or the present tense 悔やむ (kuyamu) to describe an ongoing feeling of regret.

あの時、もっと親切にしておけばよかったと、今でも悔やんでいます。

Translation Hint: I still regret now that I didn't treat them more kindly at that time.

失敗を悔やむのではなく、そこから学ぶことが大切だ。

Translation Hint: Rather than regretting failure, it is important to learn from it.

彼は自分の過ちを認め、二度と繰り返さないことを誓った。もう過去を悔やむことはしない。

Translation Hint: He admitted his mistake and vowed never to repeat it. He will no longer regret the past.
Personal Reflections
You'll frequently hear 悔やむ in personal narratives, autobiographies, or casual conversations where people are looking back on their lives and sharing their experiences. For example, an older person might say, 「若い頃、もっと冒険しておけばよかったと悔やむことがある。」 (I sometimes regret not being more adventurous when I was young.)
Literature and Media
This word is common in novels, films, and dramas, especially in scenes where characters are grappling with past mistakes, lost loves, or missed opportunities. It adds emotional depth to their internal struggles.
Advice and Proverbs
You might encounter 悔やむ in proverbs or advice given to younger generations, often with the sentiment of not letting opportunities pass by. A common theme is advising people not to live with regrets.
Confessions and Apologies
In more serious contexts, like a confession or a deep apology, 悔やむ can be used to convey the sincerity of one's remorse. For example, 「あなたの信頼を裏切ってしまったことを、私は深く悔やんでいます。」 (I deeply regret betraying your trust.)
Historical Accounts
When discussing historical events or personal accounts of past events, 悔やむ might be used to describe the feelings of individuals involved or of subsequent generations looking back on decisions made.

映画の主人公は、過去の選択を悔やみながらも、未来へ向かって歩み出す。

Translation Hint: The movie protagonist, while regretting past choices, walks towards the future.

祖母は、戦争で失われたものについて語り、しばしば涙を流して悔やんだ。

Translation Hint: My grandmother spoke about what was lost in the war, often weeping with regret.
Confusing with 'Sorry'
Learners might mistakenly use 悔やむ when they simply mean 'to apologize' or 'to say sorry'. While regret can be part of an apology, 悔やむ focuses on the feeling of regret itself, not the act of apologizing. For 'to apologize', use 「謝る (あやまる)」.
Overusing for Minor Regrets
悔やむ carries a significant emotional weight. Using it for very minor inconveniences, like forgetting to buy milk, might sound overly dramatic. For less intense feelings of wishing something were different, simpler phrases might be more appropriate.
Incorrect Verb Conjugation
As a Group 1 verb (五段活用), 悔やむ conjugates in specific ways. Incorrectly conjugating it, for example, to the te-form or past tense, can lead to misunderstandings. Ensure correct conjugation based on the sentence structure.
Confusing with Similar-Sounding Words
While less common at the B1 level, be mindful of words that might sound similar but have completely different meanings. Always confirm the meaning and usage of unfamiliar words.
Applying to Future Events
悔やむ is strictly for past events. Using it to express anxiety about potential future regrets would be incorrect. For future worries, different vocabulary like 「心配する (しんぱいする)」 (to worry) is needed.

Incorrect: 友達を待たせてしまって、ごめんなさいと悔やみました。

Correct Usage: 「友達を待たせてしまって、ごめんなさい」 (I'm sorry I made my friend wait.) or 「友達を待たせてしまったことを悔やんでいます。」 (I regret making my friend wait.)
残念がる (ざんねんがる)
Meaning: To feel disappointed; to lament; to regret.
Difference: 残念がる is generally milder than 悔やむ. It expresses disappointment or sadness about something unfortunate, but often without the deep emotional burden or sense of personal fault that 悔やむ implies. It can be used for things like a canceled event or a team losing a game.
Example: 試合に負けて、選手たちは残念がっていた。(The players were disappointed because they lost the game.)
後悔する (こうかいする)
Meaning: To regret; to repent.
Difference: 後悔する is a very close synonym and often interchangeable with 悔やむ. It also expresses a strong feeling of regret about past actions or decisions. Some might consider 後悔する to be slightly more formal or to emphasize the act of repenting for a mistake.
Example: 借金をしてまでその車を買ったことを後悔している。(I regret buying that car even though it meant going into debt.)
惜しむ (おしむ)
Meaning: To be reluctant to part with; to spare; to regret (not having something).
Difference: 惜しむ has a different nuance. It's about valuing something highly and being unwilling to let it go or use it up. It can imply regret for not having something or for using something up too quickly, but it's not about regretting a past action or decision in the same way as 悔やむ or 後悔する.
Example: 彼は時間をおしむように働いた。(He worked as if he grudged every moment of time.)
反省する (はんせいする)
Meaning: To reflect on; to review; to introspect.
Difference: 反省する is about critically examining one's own actions or behavior, usually with the goal of improvement. While regret (悔やむ/後悔する) can be a consequence of reflection, 反省する itself is more about the process of self-examination and learning, rather than the emotional feeling of regret.
Example: 自分の行動を反省し、改善策を考える。(Reflect on your own actions and think of ways to improve.)

悔やむ vs 後悔する: Both mean 'to regret'. 後悔する is perhaps more common in everyday speech for general regrets, while 悔やむ can imply a deeper, more emotional lament.

How Formal Is It?

Fun Fact

The kanji 悔 (kai) can also be read as 'kui' in Japanese, which is the noun form meaning regret or remorse. This connection between the kanji and its related noun form highlights the core meaning of the word. The character's components, 心 (heart) and 毎 (every), might suggest a heart that is constantly troubled or experiencing something repeatedly.

Pronunciation Guide

UK /ˈkʊjɑmʊ/
US /ˈkʊjɑmʊ/
First syllable (く)
Rhymes With
病む (yamu) 休む (yasumu) 悩む (nayamu) 沈む (shizumu) 踏む (fumu) 摘む (tsumu) 霞む (kasumu) 励む (hagemu)
Common Errors
  • Pronouncing 'ku' too long or with an 'oo' sound like in 'moon'.

Difficulty Rating

Reading 3/5

At the B1 CEFR level, learners can understand the main points of clear standard input on familiar matters. 悔やむ is often used in contexts related to personal experiences and common life situations, making it accessible for reading comprehension. However, understanding the full emotional weight and nuanced usage might require more advanced vocabulary and grammar.

Writing 3/5
Speaking 3/5
Listening 3/5

What to Learn Next

Prerequisites

過去 (かこ - past) する (suru - to do) ~たい (tai - want to) ~たかった (takatta - wanted to) ~ばよかった (ba yokatta - if only I had) 悲しい (かなしい - sad) 残念 (ざんねん - disappointment)

Learn Next

後悔する (こうかいする - to regret) 惜しむ (おしむ - to spare; to regret not having) 嘆く (なげく - to lament; to grieve) 反省する (はんせいする - to reflect on) ~べきだった (beki datta - should have)

Advanced

悔恨 (かいこん - remorse) 悔い (くい - regret, noun) 懺悔 (ざんげ - confession; repentance)

Grammar to Know

The 「~ばよかった」 pattern expresses regret about past inaction.

もっと早く家を出ればよかった。(Motto hayaku ie o debare yokatta.) - I wish I had left the house earlier.

The 「~したことを悔やむ」 pattern expresses regret about a past action.

友達を傷つけたことを悔やんでいます。(Tomodachi o kizutsuketa koto o kuyande imasu.) - I regret hurting my friend.

The 「~べきではなかった」 pattern expresses regret about something one shouldn't have done.

あんなことを言うべきではなかった。(Anna koto o iu beki de wa nakatta.) - I shouldn't have said that.

Using the past tense 悔やんだ (kuyanda) to refer to a specific past feeling of regret.

彼はその決断を悔やんだ。(Kare wa sono ketsudan o kuyanda.) - He regretted that decision.

Using the continuative form 悔やみながら (kuyaminagara) to express regret while doing something else.

彼は過去を悔やみながら、一人で静かに暮らしていた。(Kare wa kako o kuyaminagara, hitori de shizuka ni kurashite ita.) - He lived alone quietly, regretting the past.

Examples by Level

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5

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8

1

あの時、もっと練習すればよかった。

I wish I had practiced more at that time.

Simple conditional regret structure.

2

宿題を忘れたことを、先生に言えなくて残念だった。

I was disappointed that I couldn't tell the teacher I forgot my homework.

Uses 残念だった (was disappointing) which is simpler than 悔やむ.

3

約束の時間に遅れて、ごめんなさい。

I'm sorry I was late for our appointment.

Simple apology, not regret.

4

テストの結果が悪くて、悲しかった。

I was sad because my test results were bad.

Expresses sadness, not necessarily regret about past actions.

5

あの映画は面白くなかった。

That movie was not interesting.

Simple statement of opinion.

6

もっと早く起きればよかった。

I wish I had woken up earlier.

Simple conditional regret.

7

友達と遊べなくて、つまらなかった。

It was boring because I couldn't play with my friends.

Expresses boredom.

8

あの時、もっと勇気があればよかった。

I wish I had had more courage at that time.

Simple conditional regret.

1

あの時、もっと勉強しておけばよかったと今でも悔やんでいます。

I still regret now that I didn't study more at that time.

Uses 悔やむ in the present tense to express ongoing regret about a past action.

2

若気の至りで、友人を傷つけてしまったことを深く悔やんでいる。

I deeply regret hurting my friend due to youthful indiscretion.

Uses 「~てしまったことを悔やむ」 to express regret for a past mistake.

3

あの時、もっと親切にしておけばよかったと、今でも悔やんでいます。

I still regret now that I didn't treat them more kindly at that time.

Regretting inaction using 「~しておけばよかった」 with 悔やむ.

4

失敗を悔やむのではなく、そこから学ぶことが大切だ。

Rather than regretting failure, it is important to learn from it.

Contrasting regretting with learning.

5

彼は自分の過ちを認め、二度と繰り返さないことを誓った。もう過去を悔やむことはしない。

He admitted his mistake and vowed never to repeat it. He will no longer regret the past.

Using 悔やむ in the negative form to indicate moving past regret.

6

あの時、もっと冒険しておけばよかったと、時々悔やむ。

I sometimes regret not being more adventurous at that time.

Expressing regret about a missed opportunity.

7

投資に失敗し、あの時の決断を悔やんだ。

I failed in my investment and regretted the decision at that time.

Using 悔やんだ (past tense) for a specific past regret.

8

もっと早く行動していれば、こんなことにはならなかったのにと悔やむ。

I regret thinking 'if only I had acted sooner, this wouldn't have happened'.

Regretting inaction that led to a bad outcome.

1

人生で最も悔やむのは、挑戦しなかったことだという人が多い。

Many people say that what they regret most in life is not having taken on challenges.

Using 悔やむ in a more general, philosophical statement about life.

2

彼は、自分の言葉で友人を深く傷つけたことを、生涯にわたって悔やみ続けた。

He regretted for his entire life that he had deeply hurt his friend with his words.

Emphasizes the duration and depth of regret ('生涯にわたって' - throughout one's life).

3

あの時、もっとリスクを取ってでも事業を拡大すべきだったと、今になって悔やんでも遅すぎる。

It is too late to regret now that I should have expanded the business by taking more risks at that time.

Expressing regret about a missed business opportunity, with the realization that it's too late.

4

祖母は、戦争で失われた家族のことを語り、しばしば涙を流して悔やんだ。

My grandmother spoke about the family members lost in the war, often weeping with regret.

Used for lamenting unavoidable losses, carrying a strong emotional weight.

5

会議での発言が原因でプロジェクトが頓挫したことを、彼は後になって悔やんだ。

He later regretted that his statement at the meeting caused the project to stall.

Regretting a specific action that had significant negative consequences.

6

もっと若い頃に海外で学ぶ機会があれば、人生は違っていたかもしれないと悔やむ。

I regret thinking 'if only I had had the opportunity to study abroad when I was younger, my life might have been different'.

Regretting a missed life-changing opportunity.

7

彼は、自分の感情を抑えきれずに言ってしまった不用意な言葉を、人知れず悔やんでいた。

He secretly regretted the careless words he had spoken without being able to control his emotions.

Focuses on regret for impulsive words.

8

その決断がもたらした長期的な影響を考えれば、あの時、もっと慎重になるべきだったと悔やむのは当然だ。

Considering the long-term impact of that decision, it is natural to regret that one should have been more careful at that time.

Regretting a lack of caution, with acknowledgement of the long-term consequences.

1

その芸術家は、自身の創造の源泉であった亡き妻への想いを、生涯にわたり作品に昇華させ、同時に彼女を失った深い悲しみと、もっと共に時間を過ごせなかったことへの悔やみを表現し続けた。

The artist sublimated his feelings for his deceased wife, the source of his creativity, into his works throughout his life, while simultaneously continuing to express his deep sorrow at losing her and his regret for not having spent more time with her.

Complex sentence structure, using 悔やむ in a literary context to express deep, multifaceted regret.

2

歴史の ;if only; を辿ることは、過去の ;what ifs; を悔やむ行為に他ならず、未来への教訓を導き出すための ;a ;reflection; でもある。

Tracing the 'if onlys' of history is nothing more than an act of regretting the past 'what ifs', and it is also a reflection for drawing lessons for the future.

Philosophical use of 悔やむ, linking past regret to future learning.

3

彼は、自らの ;ambition; が ;innocence; を ;corrupt; したことを深く悔い、その ;consequences; から逃れる術はなく、ただ ;remorse; に ;consumed; される日々を送った。

He deeply regretted that his own ambition had corrupted his innocence, and with no way to escape its consequences, he lived days consumed by remorse.

Using 悔いる (the noun form of 悔やむ) to express deep, consuming remorse.

4

その ;leader; は、 ;unforeseen; な ;circumstances; により ;miscalculation; を犯し、 ;nation; に ;suffering; を ;inflict; した ;fact; を ;profoundly; ;lamented;。

The leader profoundly lamented the fact that they had made a miscalculation due to unforeseen circumstances and inflicted suffering upon the nation.

Formal and impactful use of 悔やむ (implied by lamenting) in a historical or political context.

5

我々は、 ;past mistakes; を ;dwell on; して ;paralyzed; されるのではなく、そこから ;learn; し、 ;future endeavors; に ;progress; する ;imperative; を ;recognize; しなければならない。

We must recognize the imperative to learn from past mistakes and progress in future endeavors, rather than being paralyzed by dwelling on them.

Discussing the balance between acknowledging past regrets and moving forward.

6

彼の ;legacy; は、 ;brilliant achievements; と、 ;opportunities; を ;squander; したことへの ;unending regret; の ;complex tapestry; であった。

His legacy was a complex tapestry of brilliant achievements and unending regret for having squandered opportunities.

Using 悔やむ to describe a complex emotional state woven into a life's legacy.

7

;Confronting; one's own ;flaws; and ;shortcomings; requires ;immense courage;, and the ;acknowledgment; of ;past errors; can be a ;painful; but ;necessary; step towards ;personal growth;.

Confronting one's own flaws and shortcomings requires immense courage, and the acknowledgment of past errors can be a painful but necessary step towards personal growth.

Relates 悔やむ to self-reflection and personal development.

8

The ;poet; ;wrestled; with the ;ghosts; of his ;youthful follies;, forever ;haunted; by the ;choices; he could not ;unmake; and the ;words; he could not ;unsay;.

The poet wrestled with the ghosts of his youthful follies, forever haunted by the choices he could not unmake and the words he could not unsay.

Evokes the feeling of 悔やむ through imagery of being haunted by past actions.

1

彼の ;artistic output; は、 ;fleeting moments; of ;exquisite beauty; と、 ;unfulfilled potential; に対する ;perpetual lament; の ;interplay; を ;embody; していた。

His artistic output embodied the interplay of fleeting moments of exquisite beauty and a perpetual lament for unfulfilled potential.

Highly nuanced use, suggesting a deep, existential regret intertwined with artistic expression.

2

;Historical revisionism; often involves ;re-evaluating; past ;decisions; through the lens of ;present-day values;, leading to a ;collective regret; for ;past injustices; that were once ;accepted;.

Historical revisionism often involves re-evaluating past decisions through the lens of present-day values, leading to a collective regret for past injustices that were once accepted.

Applies the concept of regret to a collective, societal, or historical level.

3

The ;philosopher's; ;meditations; often ;touched upon; the ;inherent tragedy; of human existence, where the ;pursuit; of ;desire; inevitably leads to the ;frustration; of ;unmet expectations; and the ;bitter taste; of ;regret;.

The philosopher's meditations often touched upon the inherent tragedy of human existence, where the pursuit of desire inevitably leads to the frustration of unmet expectations and the bitter taste of regret.

Elevated, abstract language to describe regret as a fundamental aspect of the human condition.

4

;Generational trauma; can manifest as a subtle yet pervasive sense of ;melancholy;, a collective ;unresolved grief;, and a deep-seated ;regret; for ;opportunities lost; or ;injustices endured; by one's ancestors.

Generational trauma can manifest as a subtle yet pervasive sense of melancholy, a collective unresolved grief, and a deep-seated regret for opportunities lost or injustices endured by one's ancestors.

Connects 悔やむ to complex psychological and sociological concepts like generational trauma.

5

The ;artist's final works; were imbued with a profound sense of ;nostalgia; and a ;melancholy acknowledgment; of ;time's passage;, a quiet ;lament; for the ;ephemeral nature; of ;youth; and the ;choices; that shaped a life.

The artist's final works were imbued with a profound sense of nostalgia and a melancholy acknowledgment of time's passage, a quiet lament for the ephemeral nature of youth and the choices that shaped a life.

Artistic and poetic use of regret, emphasizing the passage of time and life's shaping choices.

6

;Existential angst; can be viewed as the perpetual awareness of one's ;freedom; and the accompanying ;burden; of ;choice;, leading to a constant ;undercurrent; of ;regret; for the ;paths not taken;.

Existential angst can be viewed as the perpetual awareness of one's freedom and the accompanying burden of choice, leading to a constant undercurrent of regret for the paths not taken.

Links regret to philosophical concepts of freedom, choice, and existentialism.

7

The ;treaty's stipulations;, though intended to ensure peace, were later viewed through the prism of ;post-war disillusionment; as a ;catalyst; for ;future conflict;, a decision that the ;architects; of the agreement would come to ;profoundly regret;.

The treaty's stipulations, though intended to ensure peace, were later viewed through the prism of post-war disillusionment as a catalyst for future conflict, a decision that the architects of the agreement would come to profoundly regret.

Formal, historical context for regret, emphasizing the long-term consequences of decisions.

8

Her ;memoir; was a testament to the ;power; of ;self-forgiveness;, exploring how one can come to terms with past ;errors; and ;transform; the ;bitter fruit; of ;regret; into ;seeds of wisdom;.

Her memoir was a testament to the power of self-forgiveness, exploring how one can come to terms with past errors and transform the bitter fruit of regret into seeds of wisdom.

Focuses on the transformative aspect of dealing with regret, moving towards wisdom.

Common Collocations

深く悔やむ
今になって悔やむ
~したことを悔やむ
~しなかったことを悔やむ
人生を悔やむ
過去を悔やむ
遅ればせながら悔やむ
人知れず悔やむ
悔やんでも遅い
悔やむべきこと

Common Phrases

後悔先に立たず

— It's too late to regret; you can't turn back time. This proverb emphasizes that once something has happened, regret is often useless.

約束を破ってしまった。後悔先に立たず、だ。

悔い改める

— To repent; to reform one's ways. This phrase implies not just feeling regret but actively changing one's behavior as a result.

彼は自分の罪を悔い改め、新しい人生を歩み始めた。

悔いはない

— I have no regrets. This is a statement of acceptance and peace with one's past actions or life choices.

全力を尽くしたので、悔いはない。

心残りがある

— To have something left on one's mind; to have lingering regret. This phrase describes the feeling of unfinished business or an unexpressed thought that causes regret.

あの時、もっと感謝の気持ちを伝えておけばよかった、という心残りがある。

悔やんでも仕方がない

— There's no use regretting it; it can't be helped. This phrase suggests accepting the past and moving on.

失敗してしまったが、悔やんでも仕方がない。次に向けて頑張ろう。

過去の栄光を悔やむ

— To regret past glories. This refers to someone who is stuck in the past, lamenting their former successes.

彼は過去の栄光を悔やむばかりで、今の自分に目を向けようとしない。

若気の至り

— Youthful indiscretion; acting rashly due to youth. Often, this is something one later regrets.

あの時の若気の至りで、友人を傷つけてしまったことを悔やんでいる。

千載一遇のチャンス

— A once-in-a-lifetime opportunity. Missing such an opportunity would likely lead to regret.

千載一遇のチャンスを逃してしまい、悔やまれてならない。

後の祭り

— Too late; the time for action has passed. Similar to '後悔先に立たず'.

問題が起きてから対策を講じても、後の祭りだ。

悔恨の念

— A feeling of remorse; a sense of regret. This is a more formal term for the feeling of regret.

彼は生涯、その行為に対する悔恨の念を抱き続けた。

Often Confused With

悔やむ vs 残念がる (ざんねんがる)

While both express negative feelings about something, 残念がる is generally milder and indicates disappointment, often about external circumstances. 悔やむ implies a deeper, more personal sense of regret, often for one's own actions or inactions.

悔やむ vs 悲しむ (かなしむ)

悲しむ means to be sad or grieve. While regret can involve sadness, 悔やむ specifically points to regret about a past event, often with a sense of personal responsibility or wishing for a different outcome.

悔やむ vs 謝る (あやまる)

謝る means to apologize. While regret can be a part of an apology, 悔やむ is about the feeling of regret itself, not the act of apologizing to someone.

Idioms & Expressions

"悔やみきれない"

— Cannot stop regretting; unable to get over the regret. This indicates a very deep and persistent feeling of regret.

彼の裏切りは、私には悔みきれないものでした。

"悔やむべき"

— Regrettable; something that should be regretted. This is used to describe an action or situation that is worthy of regret.

あの時、もっと慎重に行動すべきだった。それは悔やむべきことだ。

"悔やみきれないほど"

— To an extent that one cannot stop regretting; profoundly. Used to emphasize the depth of regret.

彼女の言葉は、私を悔みきれないほど傷つけた。

"悔やみがない"

— No regrets. This is a strong statement of contentment or acceptance of one's life or decisions.

私は自分の人生に悔やみがないように生きてきた。

"悔やむことばかり"

— Nothing but regrets. Describes a life filled with regret.

彼の話は、悔やむことばかりで、聞いているのが辛かった。

"悔やむより行動"

— Action over regret. Encourages taking action rather than dwelling on past regrets.

失敗を悔やむより行動することが大切だ。

"悔やむに忍びない"

— Cannot bear to regret; too painful to regret. This is a less common idiom, often implying that the situation is so unfortunate that even regretting it feels insufficient or too painful.

彼の不幸な境遇は、悔やむに忍びないほどだった。

"悔やむな、前を向け"

— Don't regret, look forward. A common motivational phrase.

過去の失敗は悔やむな、前を向け!

"悔やむべき過去"

— A past that should be regretted. Describes a past filled with mistakes or wrongdoings.

彼は、悔やむべき過去を背負いながら生きていた。

"悔やむ余地はない"

— There is no room for regret; nothing to regret. Similar to '悔いはない'.

全力を尽くしたのだから、悔やむ余地はない。

Easily Confused

悔やむ vs 後悔する (こうかいする)

Both mean 'to regret' and are often used interchangeably.

後悔する is very similar and often used in everyday conversation. 悔やむ can sometimes imply a deeper, more emotional lament or a more profound sense of sorrow, especially in literary or more formal contexts. However, for many B1 learners, they can be treated as close synonyms.

彼がしたことを後悔している。(He regrets what he did.) vs. 彼は自分の行動を深く悔やんだ。(He deeply regretted his actions.)

悔やむ vs 惜しむ (おしむ)

It can be used in contexts where something is lost or not utilized fully, which might superficially seem like regret.

惜しむ is about valuing something and being reluctant to part with it or use it up. It's about scarcity or preciousness. For example, you might 惜しむ time, meaning you don't want to waste it. 悔やむ is about regretting a past action or circumstance that led to a negative outcome.

貴重な時間を惜しんで、彼は勉強に集中した。(Valuing precious time, he concentrated on studying.) vs. あの時、もっと勉強しておけばよかったと悔やんでいる。(I regret not studying more at that time.)

悔やむ vs 残念がる (ざんねんがる)

Both express negative emotions about events.

残念がる is about disappointment or sadness, often due to external factors or things not going as planned (e.g., a canceled event). 悔やむ carries a stronger sense of personal regret, often stemming from one's own mistakes or missed opportunities, and implies a deeper emotional impact.

試合に負けて残念がっていた。(They were disappointed because they lost the game.) vs. 自分のミスを悔やんで、彼はしばらく落ち込んでいた。(Regretting his own mistake, he was down for a while.)

悔やむ vs 反省する (はんせいする)

Both involve looking back at past actions.

反省する is about self-reflection and introspection, analyzing one's actions to learn from them and improve. Regret (悔やむ) is the emotional feeling that often arises from realizing a mistake during self-reflection. You might 反省する your actions and then 悔やむ the outcome.

彼は自分の行動を反省し、改善しようと決めた。(He reflected on his actions and decided to improve.) vs. 自分の過ちを悔やみ、彼は深く沈んだ。(Regretting his mistake, he became deeply depressed.)

悔やむ vs 嘆く (なげく)

Both express sorrow or sadness.

嘆く is about lamenting or grieving, often for losses, misfortunes, or sorrowful situations that may not be directly caused by one's own actions. 悔やむ specifically focuses on regret for past actions or inactions, often with a sense of personal responsibility or a wish for a different outcome.

彼は失った友を嘆いた。(He lamented his lost friend.) vs. 彼は、あの時もっと助けてあげればよかったと悔やんだ。(He regretted not helping him more at that time.)

Sentence Patterns

A2

~ばよかった

もっと早く来ればよかった。(Motto hayaku kireba yokatta.) - I wish I had come earlier.

B1

~したことを悔やむ

あの時、正直に話さなかったことを悔やんでいます。(Ano toki, shoujiki ni hanasanakatta koto o kuyande imasu.) - I regret not speaking honestly at that time.

B1

~ばよかったと悔やむ

もっと勉強しておけばよかったと悔やむ。(Motto benkyou shite okeba yokatta to kuyamu.) - I regret thinking 'if only I had studied more'.

B2

~を悔やむ

彼は自分の人生を悔やんでいる。(Kare wa jibun no jinsei o kuyande iru.) - He regrets his life.

B2

~するべきではなかったと悔やむ

あんな約束をするべきではなかったと悔やんでいる。(Anna yakusoku o suru beki de wa nakatta to kuyande iru.) - I regret thinking 'I shouldn't have made that promise'.

C1

~ずにはいられない (~ずにはいられない - cannot help but ~; implies a strong, unavoidable feeling, which can include regret)

過去の過ちを思うと、悔やまずにはいられない。(Kako no ayamachi o omou to, kuyamazu ni wa irarenai.) - When I think of past mistakes, I can't help but regret them.

C1

~ことへの悔やみ

失われた機会への悔やみは、彼の心に深く刻まれた。(Ushinawareta kikai e no kuyami wa, kare no kokoro ni fukaku kizamareta.) - The regret over lost opportunities was deeply etched in his heart.

C2

~という ;sentiment; は ;inevitable; であり、 ;existential; な ;regret; と ;intertwined; である。

;Humanity's; ;struggle; with ;mortality; often leads to a ;profound; ;lament; for ;fleeting; ;moments; and the ;choices; that ;shape; a ;life;.

Word Family

Nouns

悔い Regret; remorse; repentance.

Verbs

悔やむ
悔いる

Related

後悔 Regret; repentance.
悔しさ Feeling of regret; bitterness; mortification.
悔恨 Remorse; regret; penitence. (More formal)
悔い改め Repentance; reformation.
惜しい Regrettable; a pity; precious.

How to Use It

frequency

Medium

Common Mistakes
  • Using 悔やむ for simple apologies. Use 「謝る (あやまる)」 for apologizing.

    悔やむ expresses the feeling of regret about a past event, not the act of apologizing to someone for it. For example, instead of saying 'I regret I was late,' you would say 'I'm sorry I was late.' (遅れてごめんなさい). If you truly regret the lateness and its consequences, you might say 'I regret being late' (遅れたことを悔やむ).

  • Confusing 悔やむ with 残念がる for minor disappointments. Use 残念がる for general disappointment; use 悔やむ for deeper personal regret.

    While both express negative feelings, 残念がる is for things like a canceled event or a lost game. 悔やむ is for more personal regrets, often involving one's own actions or missed opportunities that have significant emotional weight.

  • Incorrect conjugation of the verb. Ensure correct conjugation based on tense and grammatical structure.

    As a Group 1 verb, 悔やむ conjugates in specific ways (e.g., 悔やむ, 悔やみます, 悔やんで, 悔やんだ). Incorrect conjugation can lead to grammatical errors and miscommunication. Pay attention to the rules for Group 1 verbs.

  • Using 悔やむ to express worry about the future. Use words like 心配する (shinpai suru - to worry) or 恐れる (osoreru - to fear) for future concerns.

    悔やむ is exclusively used for reflecting on and regretting past events. It does not apply to anxieties or potential negative outcomes in the future.

  • Overusing 悔やむ for trivial matters. Use milder expressions or simply state the facts for minor inconveniences.

    悔やむ carries a significant emotional load. Using it for very minor issues, like forgetting to buy something, can sound overly dramatic. For small wishes, phrases like 「~すればよかった」 without the strong verb 悔やむ might be more appropriate, or simply stating the fact.

Tips

Connect to Similar Words

When learning 悔やむ, also learn its close synonym 後悔する. Understanding their subtle differences and when to use each will enrich your vocabulary. Consider learning related words like 惜しい (a pity) and 反省する (to reflect) to build a wider network of related concepts.

Master the Patterns

Focus on common grammatical patterns used with 悔やむ, such as 「~ばよかった」 (if only I had ~) and 「~したことを悔やむ」 (regret having done ~). These patterns are crucial for expressing regret effectively in various contexts.

Emphasize the First Syllable

Pay attention to the stress on the first syllable 'ku' in 悔やむ. Practicing the pronunciation with native speaker audio or language exchange partners can help you sound more natural and understandable.

Learn from Media

Watch Japanese dramas, movies, or anime. Listen carefully for instances where characters express regret. Observing how 悔やむ is used in natural dialogue and narrative will significantly improve your understanding and usage.

Write Your Own Regrets

Try writing sentences about things you regret (even hypothetical ones). This active recall process helps solidify the meaning and usage of the word in your memory. For example, 'I regret not learning Japanese sooner.'

Understand the Nuance

Recognize that in Japanese culture, avoiding causing trouble or leaving 'unfinished business' (心残り - kokoronokori) is valued. This cultural context can deepen your understanding of why expressing regret is important and how it's perceived.

Distinguish from Similar Words

Make a conscious effort to differentiate 悔やむ from words like 残念がる (to be disappointed) and 悲しむ (to be sad). Understanding these distinctions will prevent common errors and lead to more precise communication.

Think About Intensity

Consider the emotional intensity behind regret. Is it a minor disappointment or a deep, life-altering sorrow? This will help you decide if 悔やむ is the most appropriate word, or if a milder expression like 残念がる would suffice.

Use in Conversation

Don't be afraid to use 悔やむ in your Japanese conversations, especially when discussing past experiences or hypothetical situations. Making mistakes is part of learning, and active usage is key to mastering new vocabulary.

Create Mnemonics

Develop personal mnemonics or visual associations for 悔やむ. For example, imagine a heart (心) that feels 'every' (毎) moment of past sadness. This can help anchor the word in your memory.

Memorize It

Mnemonic

Imagine yourself standing at a crossroads, looking back at a path you wish you hadn't taken. You feel a deep ache in your 'heart' (心) every single 'time' (毎) you think about it. This repeated 'heart'ache (心 + 毎 = 悔) is the feeling of regret.

Visual Association

Picture a person looking at a faded photograph of a past event, with tears welling up in their eyes. The image is tinged with sadness and a wish that things could be different. The kanji 悔 (heart + every) can be visualized as a heart filled with repeated sorrow.

Word Web

Regret Lament Repent Sorrow Disappointment Past mistakes Missed opportunities Remorse Unhappy about the past

Challenge

Try to think of three specific past events in your life (big or small) that you might regret. For each event, try to write a simple sentence in Japanese using 悔やむ or a related phrase like 「~ばよかった」. This will help solidify the emotional context.

Word Origin

The word 悔やむ (kuyamu) is believed to have originated from the verb 悔ゆ (kuyu), which meant 'to regret' or 'to lament'. This older form is found in classical Japanese literature. The kanji 悔 itself is composed of the radical 心 (kokoro - heart/mind) and 毎 (mai - every/each), suggesting a repeated or constant feeling in the heart.

Original meaning: The original meaning was likely a deep emotional distress or sorrow concerning something that happened.

Japonic

Cultural Context

When discussing regret, especially in a learning context, be mindful that it's a sensitive topic related to personal experiences and emotions. Avoid making light of or trivializing someone's regrets. Focus on the linguistic aspect and understanding the expression of this emotion in Japanese.

In English-speaking cultures, 'regret' is a common emotion, often expressed in everyday conversation. Phrases like 'I regret to inform you' or 'I regret not studying harder' are frequently used. The emphasis can sometimes be more on practical consequences than deep emotional lament.

The Japanese proverb '後悔先に立たず' (koukai saki ni tatazu) directly translates to 'Regret cannot precede action,' meaning it's too late to regret something after it has happened. Many Japanese literary works, such as novels and poetry, explore themes of regret, often depicting characters grappling with past mistakes and their lifelong consequences. In popular culture, characters in anime and dramas frequently express 悔やむ for their actions, especially when dealing with themes of past trauma, lost love, or missed opportunities.

Practice in Real Life

Real-World Contexts

Personal reflections on life choices.

  • あの時~しておけばよかった (ano toki ~ shite okeba yokatta)
  • 人生を悔やむ (jinsei o kuyamu)
  • 後悔先に立たず (koukai saki ni tatazu)

Discussing past mistakes and their consequences.

  • ~したことを悔やむ (~ shita koto o kuyamu)
  • 失敗を悔やむ (shippai o kuyamu)
  • 過ちを悔いる (ayamachi o kuiru)

Literary or dramatic narratives.

  • 悔い改める (kui aratameru)
  • 悔いはない (kui wa nai)
  • 心残りがある (kokoronokori ga aru)

Giving advice about the future.

  • 悔やむことのないように (kuyamu koto no nai you ni)
  • 悔やんでも遅い (kuyandemo osoi)
  • 前を向く (mae o muku)

Expressing deep sorrow or lamentation.

  • 深く悔やむ (fukaku kuyamu)
  • 嘆き悲しむ (nageki kanashimu)
  • 悔やみきれない (kuyamikirenai)

Conversation Starters

"What is something you did in the past that you sometimes regret?"

"Have you ever missed an opportunity and later wished you had taken it?"

"What does it mean to live a life without regrets?"

"Can you think of a time when regretting something helped you learn a valuable lesson?"

"How do you think Japanese people express regret differently from people in your own culture?"

Journal Prompts

Write about a decision you made in your past that you now regret. What were the circumstances, and what are the consequences?

Describe a time when you chose not to do something and later wished you had. How does this feeling of regret affect you?

Reflect on the phrase 'It's too late to regret.' Do you agree with this statement? Explain why or why not.

Imagine you could go back in time and change one decision. What would it be, and why? How would this change affect your present?

Write a letter to your past self, offering advice about a decision you now regret. What would you tell them?

Frequently Asked Questions

10 questions

悔やむ (kuyamu) and 後悔する (koukaisuru) are very close in meaning and often interchangeable, both translating to 'to regret'. However, 悔やむ can sometimes carry a deeper, more emotional nuance of lament or sorrow, particularly in literary or more formal contexts. For everyday use, they are largely synonymous. Think of 悔やむ as perhaps a more profound 'lament' and 後悔する as a more direct 'regret'.

No, 悔やむ is strictly used for past events. It signifies a feeling of regret about something that has already happened. If you are worried about potential future regrets, you would use words like 心配する (shinpai suru - to worry) or 恐れる (osoreru - to fear).

Yes, 悔やむ is always associated with a negative emotion, such as sadness, sorrow, disappointment, or remorse, stemming from a past event or decision that the speaker wishes had been different. It's about looking back with unhappiness.

悔やむ is a Group 1 verb (五段活用). Its common conjugations include: - ます形 (masu-form): 悔やみます (kuyamimasu) - て形 (te-form): 悔やんで (kuyande) - た形 (ta-form): 悔やんだ (kuyanda) - ない形 (nai-form): 悔やまない (kuyamanai) - 辞書形 (dictionary form): 悔やむ (kuyamu)

While 悔やむ often implies personal responsibility for a past mistake, it can also be used to lament unfortunate circumstances or misfortunes that were beyond one's control, though this is less common. In such cases, it leans more towards 'lamenting' or 'feeling sorrowful about' rather than 'regretting one's own actions'. For example, one might regret not being able to attend an event due to illness, even though it wasn't their fault.

悔やむ is about regretting a past action or circumstance, often with a sense of personal fault or wishing for a different outcome. 惜しい (oshī) means 'a pity,' 'regrettable,' or 'precious.' You might feel 惜しい about a missed opportunity or a valuable item being lost, but it doesn't necessarily imply personal fault in the same way 悔やむ does. For instance, it's 惜しい that the talented singer passed away young, but one doesn't 悔やむ their death unless they had a direct role in it.

Yes, 悔やむ can be used in formal writing, especially in literature, personal essays, or historical accounts where deep emotions and reflections are expressed. However, in very official or technical documents, 後悔する might be more common for straightforward statements of regret.

Try writing sentences about hypothetical past situations where you might feel regret. For example, 'If I had known this would happen, I would have studied harder.' Then translate that into Japanese using 悔やむ or related patterns. Also, watch Japanese dramas or movies and listen for how characters express regret.

The noun form is 悔い (kui), which means regret, remorse, or repentance. You might also see 悔恨 (kaikon), which is a more formal term for remorse.

You use 悔やむ when your sadness is specifically tied to a past action, inaction, or event, and you wish that past had been different. If you're just sad about a current situation or a general feeling, you'd use 悲しい (kanashii) or other words for sadness.

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