LESSON NOTES · レッスンノート

N5How you sound · Sep 22, 2026

How to say yes in Japanese: はい is not only "yes

はい is the default yes, but it also means "I'm listening," "here you go" and "present" — and after a negative question it agrees with the question rather than the fact, so はい can mean "no, I don't."

Saying yes looks like the easiest thing in Japanese and quietly goes wrong in three places: which word fits the register, what はい is doing when nobody asked a question, and the negative-question flip that reverses the answer.

The basics

What are the everyday words for yes?

Three, sorted by how polite they are.

はい。 — Yes. (polite, the safe default anywhere) ええ。 — Yes. (polite but conversational, softer than はい) うん。 — Yeah. (casual, friends and family only)

ええ is the one learners under-use. It is polite, but relaxed — the yes you give a colleague mid-conversation, where a crisp はい would sound like answering a roll call. うん is friendly and completely normal between friends, and lands as rude to a stranger or a superior.

The negative partner of うん is ううん ("no"), and the only difference is a nasal shape most learners cannot produce for months. If you are not confident, say いや or ちがう rather than gambling on the vowel — the full set is in how to say no in Japanese.

What else does はい do?

More work than "yes." It is also the sound of attention and the sound of handing something over.

はい。 — Mm-hm, I'm following. (as the other person talks) はい、どうぞ。 — Here you go. (handing something to someone) はい! — Present! (answering a roll call)

This is why you hear はい far more often than anyone is agreeing to anything. A Japanese listener produces small sounds constantly, and はい is the most formal of them — the fuller set of listening noises is in Japanese filler words.

How do you say "that's right"?

そうです and its relatives confirm a statement rather than answering a yes-no question.

そうです。 — That's right. (polite, confirming what they said) そうですね。 — Yes, isn't it / let me think. (polite, agreeing or stalling) その通とおりです。 — Exactly so. (polite, emphatic agreement)

そうですね is doing double duty: as agreement it means "you're right," and stretched out at the start of an answer it means "hmm, let me think." Length and tone decide which, and both are extremely common.

How do you say yes to an instruction?

Not with はい alone, usually. Accepting a task has its own ladder.

わかりました。 — Understood. (polite, the everyday answer to an instruction) 承知しょうちしました。 — Certainly / I understand. (formal, to clients and superiors) かしこまりました。 — Certainly, sir/madam. (service register, staff to customer) 了解りょうかいです。 — Got it. (casual-professional, and a trap — see below)

了解りょうかいです feels efficient and is widely used, but many Japanese workplaces treat it as something you say downward or sideways, never up. To a manager or a client, 承知しょうちしました is the safe choice. Picking the right rung here is the same judgement as everywhere else in keigo vs casual.

Beyond the basics

Why does はい sometimes mean "no"?

Because Japanese はい agrees with the question as asked, while English "yes" agrees with the fact. After a negative question the two languages come apart completely.

肉にくは食たべないんですか。 — You don't eat meat? (the question) はい、食たべません。 — Correct, I don't eat it. (はい = your statement is right) いいえ、食たべます。 — No, I do eat it. (いいえ = your statement is wrong)

English would answer the same situation with "no, I don't" and "yes, I do" — exactly reversed. This is the single most confusing yes-no moment for learners, and it flows in both directions: when a Japanese speaker answers your negative question with はい, they are confirming your negative, not contradicting it.

The escape hatch is to skip the yes-word and answer with the verb: 食たべません on its own is unambiguous in both languages.

Which yes-word for which situation?

Situation What to say Register
Answering a stranger, a teacher, a form はい Polite
Mid-conversation agreement with a colleague ええ Polite, relaxed
Friend asks if you're coming うん Casual
Confirming a fact they stated そうです Polite
Agreeing with an opinion そうですね Polite
Boss gives you a task 承知しょうちしました / わかりました Formal / polite
Friend asks a favour いいよ Casual
Granting permission politely いいですよ Polite
Shop staff to a customer かしこまりました Service
Showing you are listening はい / ええ / うん Matches the conversation

How do you say yes to a request or permission?

いいですよ, not はい. A bare はい answers whether something is true; いいですよ says you are willing.

いいですよ。 — Sure, that's fine. (polite, granting permission) いいよ。 — Sure. (casual) もちろんです。 — Of course. (polite, enthusiastic)

The よ is not optional decoration here — it adds the reassurance that makes the permission sound warm rather than clipped. This is the natural answer to the 〜てもいいですか pattern in asking permission.

What about the yes that is really a no?

大丈夫だいじょうぶです is the famous one: at a shop counter it usually declines rather than accepts. If you mean an enthusiastic yes to an offer, お願ねがいします is the only phrasing that cannot be misread — the full trap is unpacked in 大丈夫だいじょうぶ.

お願ねがいします。 — Yes please. (polite, accepting an offer) 結構けっこうです。 — No thank you. (polite but firm refusal, despite sounding positive)

結構けっこう is the mirror image: it contains the character for "fine" and it means no. 結構けっこうです almost always declines, and 結構けっこういいですね ("quite good, isn't it") uses the same word as an intensifier. Context carries all of it.

What are the anime yeses?

Short, blunt and mostly masculine.

ああ。 — Yeah. (casual masculine, often gruff) おう。 — Yeah / sure. (casual masculine, energetic) うむ。 — Indeed. (archaic, an older or self-important character) はいはい。 — Yeah yeah, whatever. (dismissive — doubling はい makes it sarcastic)

ああ and おう are usable between close male friends and nowhere else. はいはい is worth knowing defensively: repeating はい does not make it more polite, it makes it impatient. Saying it to a teacher or a boss is a genuine mistake, not a stylistic one.

Common mistakes

  • はい to a negative question, meaning English "yes." 行いかないんですか → はい means "right, I'm not going." Answer with the verb if you are unsure.
  • はいはい to anyone you respect. Doubling it turns agreement into "yeah yeah, I heard you."
  • 了解りょうかいです to your boss. Common in speech, still read as too casual upward in many offices. 承知しょうちしました is safe.
  • うん to a stranger. Fine with friends, noticeably rude to someone you just met or to staff.
  • はい where いいですよ belongs. Asked "can I borrow this?", はい is thin; いいですよ is the natural yes.
  • Silence plus a nod. English speakers often nod and say nothing. Japanese conversation expects an audible はい or ええ every few seconds, and silence reads as disagreement.

Practice

Answers are hidden — build yours first, then open. Questions 4 and 5 are a pair: the same fact, one positive question and one negative.

1. A stranger asks if you are the person waiting for a table. Answer politely.

Show answer

はい — the default polite yes, correct with anyone you do not know. うん here would be noticeably rude.

2. Your friend asks if you want to get ramen. You do.

Show answer

うん — casual and completely natural between friends. はい would sound stiff, as if answering a teacher.

3. Your manager asks you to send a file by 3pm.

Show answer

承知しょうちしました — or わかりました in a relaxed office. 了解りょうかいです is widely used but reads as casual pointed upward.

4. Someone asks 日本にほんに住すんでいますか and you do live in Japan.

Show answer

はい、住すんでいます — positive question, positive fact, so はい behaves exactly like English "yes."

5. Someone asks 日本にほんに住すんでいないんですか and you do live in Japan.

Show answer

いいえ、住すんでいます — the negative question flips it. いいえ says "your statement is wrong," and English would have said "yes, I do." This is the pair to question 4.

6. A friend asks to borrow your charger. Say yes.

Show answer

いいよ — permission, not fact, so いい rather than はい. The polite version is いいですよ.

7. Confirm politely that what the other person just said is correct.

Show answer

そうです — confirms a statement. For stronger agreement, その通とおりです.

8. You are a shop assistant and a customer asks you to gift-wrap something.

Show answer

かしこまりました — the service register. Staff say this to customers; you would not use it with friends.

9. A colleague is telling a long story. You are listening. What do you say, and when?

Show answer

はい or ええ every few seconds — this is あいづち, not agreement. Staying silent reads as bored or disagreeing.

10. Shop staff ask if you would like a receipt, and you would.

Show answer

お願ねがいします — the unambiguous yes to an offer. 大丈夫だいじょうぶです would decline it, which is the opposite of what you meant.

FAQ

Is はい always safe? Almost. It is never rude. It is only wrong when the question was negative, or when the situation wanted a willingness word like いいですよ or an acceptance word like わかりました.

What is the real difference between はい and ええ? Formality and warmth. はい is crisper and works in any formal setting; ええ is polite but conversational, and slightly softer. Both are correct with a colleague.

Is うん rude? Only upward or to strangers. Between friends and inside a family it is the normal yes, and using はい there would create distance.

How do I answer a negative question without getting confused? Skip the yes-word. Answer with the verb — 行いきます or 行いきません — and the ambiguity disappears in both languages.

Why do Japanese speakers say はい so often? Because listening out loud is expected. Those はい sounds mean "I'm with you," not "I agree," which is why a business meeting can be full of them and still end in no.

Is 了解りょうかい really rude? Not rude, but casual. It is fine to peers and juniors and common in messaging; to a client or a manager, 承知しょうちしました avoids the question entirely.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab — the first column becomes the front, the second the back.

はい	はい — yes; I'm listening; here you go
ええ	ええ — yes (polite, conversational)
うん	うん — yeah (casual)
ううん	ううん — no (casual)
そうです	そうです — that's right
そうですね	そうですね — yes, isn't it; let me think
その通りです	そのとおりです — exactly so
わかりました	わかりました — understood
承知しました	しょうちしました — certainly, I understand (formal)
かしこまりました	かしこまりました — certainly (service register)
了解	りょうかい — got it (casual-professional)
いいですよ	いいですよ — sure, that's fine
いいよ	いいよ — sure (casual)
もちろん	もちろん — of course
お願いします	おねがいします — yes please
結構です	けっこうです — no thank you (firm)
あいづち	あいづち — listener's responses in conversation
はいはい	はいはい — yeah yeah (dismissive)

I'm Yuuki, a Japanese teacher based in Tokyo. I've taught on italki as a Top 1% teacher and watched over 1,500 anime. The negative-question flip is the one I correct most often, and never just once — students understand it instantly and then get it wrong in conversation for another six months, because the English reflex is faster than the rule.

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Sources: the author's own lessons and standard reference grammars.

More drills like the ones above, plus a timed JLPT-style mock test: Practice · N5

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