LESSON NOTES · レッスンノート

N4Lesson notes · Nov 2, 2026

Kekkou desu: does 結構けっこう mean "quite", "fine", or "no thank you"?

結構けっこう (けっこう) is an adverb meaning "quite / pretty", and 結構けっこうです is a two-way phrase: "that's fine" when you are accepting, "no thank you" when you are declining.

Most learners meet 結構けっこう as a degree word in a vocabulary list, then hear 結構けっこうです at a shop counter and watch it work as a refusal. Both are the same word. This article sorts out the three lives of 結構けっこう: the degree adverb, the two-way 結構けっこうです, and the formal praise 結構けっこうな.

The basics

What does 結構けっこう mean as an adverb?

As an adverb, 結構けっこう means "quite" or "pretty": a fairly large degree. It often carries a hint of "more than I expected", but not always (結構前けっこうまえから知しっています is just "I have known for quite a while"). It goes before an adjective, a verb, or a quantity, including time and distance.

この店みせ、結構けっこうおいしいよ。 — This place is pretty good, you know. (casual, mild surprise) 今日きょうは結構けっこう人ひとが多おおいですね。 — There are quite a lot of people today, aren't there. (polite, small talk) この問題もんだい、結構けっこう難むずかしかった。 — That problem was quite hard. (casual, past tense, no drama) 駅えきから結構けっこう遠とおいよ。 — It's quite far from the station. (casual, distance)

It works with good things and bad things alike. 結構けっこう高たかい is "quite expensive" and 結構けっこう安やすい is "surprisingly cheap". The word itself does not carry a positive or negative mood; the situation does.

Where does 結構けっこう sit among 少すこし, まあまあ, かなり and すごく?

Learners often line these words up together, because they all answer "how much?". Here is an approximate order from weaker to stronger. It is a rough guide, not a ladder: まあまあ is an evaluation ("not bad") more than a pure degree word, so it does not sit on the same line as the others.

Word Rough strength Feel Example
少すこし a little modest, neutral 少すこし寒さむいです
まあまあ so-so (an evaluation, not a pure degree) lukewarm, "not bad" このラーメン、まあまあおいしいよ
結構けっこう quite casual, everyday 結構けっこう時間じかんがかかりました
かなり considerably a bit firmer and more formal かなり疲つかれました
すごく / とても very, extremely strong; すごく is casual, とても is polite とても嬉うれしいです

The gaps are fuzzy and speakers do not agree on exact steps. The useful part: 結構けっこう is an everyday middle-to-high word, not the loudest one. 結構けっこう重おもい is "pretty heavy", かなり重おもい sounds like a measured report, and すごく重おもい is a reaction.

What does 結構けっこうです mean on its own?

On its own, 結構けっこうです is a polite "that's fine / that will do", used for accepting. In the same breath, it is also a polite "no thank you". The two meanings are opposite, and Japanese speakers resolve them with context and set phrases, not with the word itself.

それで結構けっこうです。 — That will do. / That's fine. (polite, accepting what was proposed) 袋ふくろは結構けっこうです。 — I don't need a bag, thank you. (polite, declining at a register)

The first one answers "Is this OK?" The second one answers "Would you like a bag?" Plain alternatives for the refusal are いりません (blunt) and いいです (also two-way, see below).

Beyond the basics

How can you tell whether 結構けっこうです means yes or no?

The main cue is the question or offer that came right before it. Intonation helps as a supporting cue. The answer follows the shape of that offer.

  • An offer of something extra (a receipt, a refill, a flyer, a sales pitch) → 結構けっこうです usually means "no thanks".
  • A proposal you are being asked to approve (a time, a plan, a quote, a seat) → 結構けっこうです usually means "that's fine".

レシートはご入用にゅうようですか。 — Do you need the receipt? (polite, shop staff) いえ、結構けっこうです。 — No, I'm fine. (polite, declining)

こちらのお席せきでよろしいですか。 — Is this seat all right? (polite, restaurant) はい、結構けっこうです。 — Yes, that's fine. (polite, accepting)

Some tendencies help, but none is a rule. いえ in front usually signals refusal, while はい may be a real yes or just "I heard you", so はい、結構けっこうです can still be a refusal. 〜は結構けっこうです ("as for X") often pushes X away and それで結構けっこうです accepts it, but that is a lean, not a law. Intonation only supports this, and it is not a stable rule: a flat, falling 結構けっこうです with a small wave of the hand often reads as a firm "no", while a brighter one often reads as acceptance. To refuse warmly, add something after it.

結構けっこうです、ありがとうございます。 — No, thank you. (polite, the thanks softens the refusal) 今いまは結構けっこうです。また今度こんどお願ねがいします。 — I'm fine for now. Please ask me another time. (polite, a refusal that keeps the door open)

Adding ありがとうございます is the cleanest fix. A bare いえ、結構けっこうです can sound cold, because it is the answer you give to something you want to end.

Do shops say 大丈夫だいじょうぶです instead of 結構けっこうです?

In my own observation, many people now use 大丈夫だいじょうぶです for the same job, perhaps because 結構けっこうです can sound stiff and a little cold. I have not measured this, and it varies by generation and shop. At a register, レジ袋ぶくろはご利用りようですか is a typical question, and 袋ふくろは大丈夫だいじょうぶです is a common reply. More on that word in 大丈夫だいじょうぶ meaning in Japanese.

But 大丈夫だいじょうぶです has the same two-way problem, and clerks guess from your hands or a follow-up. Clearer lines are 大丈夫だいじょうぶです。持もっています。 ("I'm fine. I have one."), or 間に合まにあっています ("I have enough already", a clear and polite refusal). いりません is blunt. In short: 結構けっこうです is more formal and a firmer closed door; 大丈夫だいじょうぶです is friendlier and less clear. For the bag vocabulary itself, see bag in Japanese: かばん vs 袋ふくろ.

What about もう結構けっこうです?

もう結構けっこうです means "that's enough, I don't need more", with もう ("any more") ending the matter. It is fairly strong and curt even with a smile, and in an argument it means "I've had enough of this". To a waiter pouring more tea, もう大丈夫だいじょうぶです or もう十分じゅうぶんいただきました is safer. For the neutral idea of "enough", look at 十分じゅうぶん and 足たりる first.

Can you say 結構けっこうです to a superior or in answer to a permission question?

To 座すわってもいいですか, 結構けっこうですよ sounds like someone with authority granting permission, so it fits a manager or host, not a casual yes (that is いいですよ or どうぞ, as in 〜てもいいですか). Declining a superior's offer with 結構けっこうです、ありがとうございます is perfectly polite. The problem is accepting an instruction: 結構けっこうです there sounds like signing off on a form. Use 承知しょうちしました or かしこまりました. In an email, decline with 結構けっこうです、ありがとうございます or お気持きもちだけで結構けっこうです.

What is 結構けっこうな, and why does it appear in tea ceremony?

結構けっこう also works as a noun-modifier that means "excellent, splendid". This is the formal, praising use. You will hear it in set phrases.

結構けっこうなお点前てまえでございました。 — That was a wonderful tea preparation. (formal, said by a guest at a tea ceremony) 結構けっこうなものをいただいて、ありがとうございます。 — Thank you for such a lovely gift. (formal, thanking someone for a present)

You will rarely use 結構けっこうな + noun while chatting, but you will meet it in letters, ceremonies and customer-service speech.

The same pattern can be turned into sarcasm. When the situation does not match the praise, 結構けっこうな gets an edge.

結構けっこうなご身分みぶんですね。 — Must be nice. (sarcastic, said to someone enjoying a privilege others don't have)

That sentence literally says "what an excellent social standing you have". It sounds respectful on paper and is not at all. The more typical sarcastic line is 結構けっこうなご身分みぶんだこと. Treat both as things to recognise, not to use.

How does it sound in anime?

The casual adverb shows up in lines like the one below. The stiff 結構けっこうです comes from butlers, bosses and rivals when they shut a door on someone; with a cold look and no ありがとう, that is the "no".

結構けっこうやるじゃん。 — You're pretty good, huh. (casual, mild praise)

Common mistakes

  • Taking 結構けっこうです as yes every time. At a register, 結構けっこうです after an offer is almost always "no thanks". Listen for the question before it and the intonation.
  • Using 結構けっこう for "very" in a polite essay. 結構けっこう is conversational and a bit loose. In writing or formal speech, use かなり or とても instead.
  • Assuming 結構けっこう is always positive. 結構けっこうひどい ("pretty awful") is just as normal as 結構けっこういい. The word carries degree, not mood.
  • Saying 結構けっこうです to a boss to accept an instruction. Use 承知しょうちしました or かしこまりました.

Practice

Build each answer before opening it. Questions 1 and 2 are a pair: the same word with opposite meanings.

1. A clerk asks コーヒーのおかわりはいかがですか and you want another cup. Do you answer 結構けっこうです with no other signal?

Show answer

No — after an offer of something extra, 結構けっこうです usually means "no thanks". To say yes, use お願ねがいします.

2. A tailor says この日程にっていでよろしいでしょうか and you agree. What polite phrase accepts?

Show answer

はい、それで結構けっこうです — it accepts a proposal you were asked to approve, and the bright tone with はい makes the direction clear.

3. Say "No, thank you" to a leaflet handed to you, politely and warmly.

Show answer

結構けっこうです、ありがとうございます — the thanks softens the refusal; a bare いえ、結構けっこうです can sound cold.

4. Roughly order these from weakest to strongest: かなり、少すこし、結構けっこう、まあまあ.

Show answer

少すこし、結構けっこう、かなり are clearly in that order; まあまあ is flexible — it is more an evaluation ("not bad") than a pure degree, so a rough 少すこし、まあまあ、結構けっこう、かなり is a map, not the single right answer.

5. How would you say "This bag is heavier than it looks" using 結構けっこう?

Show answer

このかばん、結構けっこう重おもいね — 結構けっこう adds a fairly large degree.

6. A friend offers you more rice, and you are full. Why is 結構けっこうです a bit odd here?

Show answer

It is too stiff for a friend. Casual alternatives are もういいよ or もう大丈夫だいじょうぶ.

7. Your colleague says 結構けっこうひどい雨あめだね. Is that praise or complaint?

Show answer

Complaint — 結構けっこう only adds degree ("pretty awful rain"); the mood comes from the word ひどい.

8. At a ceremony you want to thank the host after a cup of tea. Which phrase fits: 結構けっこうなお点前てまえでございました or 結構けっこうですね?

Show answer

結構けっこうなお点前てまえでございました — 結構けっこうな + noun is the formal compliment; the second one sounds like a vague acceptance.

9. A neighbour who just got a long holiday is described by someone as 結構けっこうなご身分みぶん. Is that kind?

Show answer

No — it is sarcasm: "must be nice for you". The formal praise form is turned against the person.

10. A clerk asks ポイントカードはお持もちですか and you hold one up. Give a natural reply.

Show answer

大丈夫だいじょうぶです、持もっています — or 結構けっこうです、ありがとうございます. Adding 持もっています removes the two-way doubt.

FAQ

Is 結構けっこう written in kanji or hiragana? Both are common. In casual writing and subtitles you will often see けっこう, and in formal writing 結構けっこう.

Is 結構けっこう a polite word? As an adverb, it is conversational, not formal. As 結構けっこうです and 結構けっこうな, it is formal. The word shifts register with the way it is used.

Can 結構けっこう go with a negative sentence? Mostly it goes with plain affirmative predicates (結構けっこう疲つかれた, 結構けっこう遠とおい, 結構けっこう待まった). With a negative verb, native speakers tend to switch to あまり or あんまり, so treat 結構けっこう plus ない as something to recognise more than to produce.

Why does the same word mean "quite" and "no thank you"? Both come from one idea: something is "satisfactory as it is". Accepting a proposal and turning down an extra both say "no change needed". I'm giving this as a memory hook, not a full history of the word.

What is the difference between 結構けっこうです and いいです? いいです is plainer and equally two-way. いりません is blunt but clear. 結構けっこうです is more formal and more distinctly used for refusing a service.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab.

結構	けっこう — quite, pretty; fine; no thank you
少し	すこし — a little
まあまあ	まあまあ — so-so, moderately
かなり	かなり — considerably
とても	とても — very
袋	ふくろ — bag
結構な	けっこうな — splendid, excellent (formal)
お点前	おてまえ — tea ceremony preparation
身分	みぶん — social standing
間に合っています	まにあっています — I have enough already
ポイントカード	ポイントカード — loyalty card
レジ袋	レジぶくろ — checkout bag
お席	おせき — seat (polite)
おかわり	おかわり — a refill
もう	もう — already, any more
承知しました	しょうちしました — understood (to a superior)
かしこまりました	かしこまりました — certainly (to a superior)
重い	おもい — heavy
難しい	むずかしい — difficult
ひどい	ひどい — awful, terrible

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, so most of the example sentences on this blog come from lines I've actually heard students ask about, including this one, where the same word surprises people by meaning both yes and no. For practice with feedback, Book a trial lesson · $13, or work through Japanese practice exercises first.

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

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