JLPT N17 min readUpdated May 18, 2026Grammar pattern

ことこの上ない / この上ない / この上なくkoto kono ue nai / kono ue nai / kono ue naku“the most of all; the best; nothing is more ... than”

Use these expressions when you want to say that something is the extreme limit of a quality, a joy, a disappointment, or any describable state – there is literally “nothing above it.

Meaning
the most of all; the best; nothing is more ... than
Pattern
ことこの上ない / この上ない / この上なく
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JLPT grammar
JLPT
N1

ことこの上(うえ)ない / この上(うえ)ない / この上(うえ)なく means the most of all; the best; nothing is more … than ~. It is a JLPT N1 Japanese grammar pattern used to state that something is the ultimate or unequalled degree of a quality, emotion, or event.

This grammar point often appears in essays, formal letters, and N1 reading passages. If you need to express that nothing surpasses a certain feeling or state, this set of expressions is the most natural way to reach that intensity in written Japanese.

What does ことこの上ない / この上ない / この上なく mean?

Use these expressions when you want to say that something is the extreme limit of a quality, a joy, a disappointment, or any describable state – there is literally “nothing above it.”

Natural translations:

  • the most … of all
  • the best / the worst
  • nothing is more … than ~
  • the ultimate …

The best translation depends on whether you are modifying a noun (この上(うえ)ない), an adjective or verb (この上(うえ)なく), or a whole clause (ことこの上(うえ)ない).

Nothing is above this – it is the absolute peak of whatever you are describing.

How to form ことこの上ない / この上ない / この上なく

Each version has a slightly different attachment, but all rest on the core image of “nothing above this.”

Verb (plain form) / Adjective clause
+
ことこの上(うえ)ない
な-adjective (な) / Noun
+
この上(うえ)ない
→
modifies a noun
い-adjective (stem) / Verb (て-form)
+
この上(うえ)なく
→
modifies a verb or adjective

Examples of the patterns:

  • お会い(あい)できたことこの上(うえ)ない喜び(よろこび)です。
  • この上(うえ)ない幸せ(しあわせ)を感じる(かんじる)。
  • この上(うえ)なく美しい(うつくしい)景色(けしき)だ。

In JLPT questions, an incorrect answer will often contain a grammatically similar phrase where the word class or the following element doesn’t match the form.

When is ことこの上ない / この上ない / この上なく used?

Use these patterns in situations like:

  • expressing an emotion that you think cannot be exceeded (joy, regret, gratitude)
  • delivering a formal compliment or a heartfelt letter
  • making a superlative statement without using いちばん or もっとも
  • emphasizing the extremity of a state in essays or literary prose

Tone and register:

  • Formal, written, often emotional.
  • この上(うえ)なく is the most common adverbial form in speech-like writing; ことこの上(うえ)ない appears mainly in careful prose and set phrases.

ことこの上ない / この上ない / この上なく example sentences

問題が解けたことこの上(うえ)ない嬉しさだ。
There is no greater joy than solving this problem.
nominalised clause
皆様にお会いできたことは、この上(うえ)ない喜びです。
Being able to meet all of you is the greatest joy.
honorific / formal
この上(うえ)ない絶景を前にして、言葉をなくした。
Faced with the most magnificent scenery, I was lost for words.
noun modifier
あの失敗は、私(わたくし)にとってこの上(うえ)ない教訓となった。
That failure became the most valuable lesson for me.
abstract noun
鈴木氏の提案は、この上(うえ)なく合理的だ。
Mr. Suzuki’s proposal is exceptionally reasonable.
adverbial
あの演奏はこの上(うえ)なく感動的で、涙が止まら(とまら)なかった。
That performance was so overwhelmingly moving I couldn’t stop crying.
na-adjective modified

After reading each sentence, ask what is being placed at the absolute top – an emotion, a quality, a result. That lets you internalize the nuance better than any single translation.

Nuance of ことこの上ない / この上ない / この上なく

The key nuance is nothing can be above this moment, state, or degree. The grammar doesn’t just say “very”; it claims there is no higher point.

This matters because learners sometimes treat it as a simple intensifier. In fact, it carries a subjective judgement that the speaker considers the situation to be at its limit.

  • When you say この上(うえ)なく美しい(うつくしい), you are making a personal declaration that nothing you have ever seen surpasses this beauty.
  • When you choose ことこの上(うえ)ない, you are wrapping an entire event into that evaluation – the event itself becomes the unrivalled thing.

Compared with a plain superlative like 最高(さいこう)に, this pattern feels more formal and often more heartfelt. It shows an active choice to declare something unsurpassable, not just to describe it.

⚠
Although it is emphatic, Japanese still avoids overstatement. Use this pattern only when you truly mean the limit – otherwise it can sound unnatural.

ことこの上ない / この上ない / この上なく vs 何よりも

Both expressions can be translated as “more than anything”, but their focus differs.

この上(うえ)ない / この上(うえ)なく
declares an absolute ceiling
When you present a quality or event as the highest possible point.
この上(うえ)ない名誉(めいよ)だ。
It is the greatest honour (nothing above it).
VS
何(なん)よりも
ranks one thing above others
When you compare a specific item against a set of alternatives.
何(なん)よりも健康(けんこう)が大切(たいせつ)だ。
Health is more important than anything else.

Quick contrast:

  • この上(うえ)ない = the peak itself, no comparison needed.
  • 何(なん)よりも = prioritising one thing over other candidates.

If both seem possible, check whether the sentence is stating an absolute extreme or choosing from a list. The former demands この上(うえ)ない / この上(うえ)なく; the latter, 何(なん)よりも.

Common mistakes with ことこの上ない / この上ない / この上なく

❌
この上(うえ)ない美しい(うつくしい)景色(けしき)だ。
Using この上(うえ)ない directly before an i-adjective is ungrammatical; you need the adverbial form この上(うえ)なく.
✅
この上(うえ)なく美しい(うつくしい)景色(けしき)だ。
❌
会える(あえる)ことこの上(うえ)ない。
The nominalised clause must be fully formed with the correct tense; a plain non-past verb before ことこの上(うえ)ない feels incomplete in this construction.
✅
会え(あえ)たことこの上(うえ)ない喜び(よろこび)です。
❌
この上(うえ)ない悲しかっ(かなしかっ)た。
Treating the phrase as a substitute for a simple past adjective. It must always modify something, not stand alone as a predicate without a noun.
✅
この上(うえ)ない悲しみ(かなしみ)を味わっ(あじわっ)た。

A reliable technique: when you’re unsure, build the sentence with ことこの上(うえ)ない or この上(うえ)なく first, then add the noun or adjective it modifies. That forces the correct part-of-speech selection.

Is ことこの上ない / この上ない / この上なく on the JLPT?

N1
📖 Reading comprehension
🗣️ Sentence building
📝 Formal expressions

Yes. この上(うえ)ない and its variants are regularly tested as N1 grammar. Questions often check whether you can recognise the adverbial vs attributive form, or distinguish it from other extreme-degree patterns like 極まる(きわまる) or 限り(かぎり)だ.

For test preparation, practice transforming a plain adjective sentence into one with この上(うえ)なく, then into a ことこの上(うえ)ない sentence. That shows you control the structural switch rather than just memorising translations.

Practice questions for ことこの上ない / この上ない / この上なく

1
Rewrite “この景色(けしき)は非常(ひじょう)に美しい(うつくしい)” using この上(うえ)なく.
adverbial form
2
Describe the greatest honour in your life with この上(うえ)ない.
noun modifier
3
Create a sentence where you use ことこの上(うえ)ない to express that nothing makes you happier than a certain event.
clause nominalisation
4
Compare your sentence from prompt 3 with one using 何(なん)よりも. Explain how the nuance shifts.
comparison

Learning path for ことこの上ない / この上ない / この上なく

1
Memorise the literal image: この上(うえ) (“above this”) + ない (“there is not”) → “nothing surpasses this”. Picture a stack of experiences and the described one sitting on the very top.
2
Master the three forms: この上(うえ)ない (modifier), この上(うえ)なく (adverb), and ことこの上(うえ)ない (nominalised event). Practice with a few adjectives and verbs you use frequently.
3
Compare with 何(なん)よりも and 極まる(きわまる) so you feel the difference between a ranking and a declaration of an absolute limit.
4
Write a short formal message (e.g., a thank‑you note) that contains この上(うえ)ない or この上(うえ)なく. Reading it aloud helps the tone stick.
5
Finally, read essays or formal letters in N1 prep materials and underline every occurrence of these patterns. Note what kind of nouns and adjectives they combine with.

The following grammar points share the formal, clause‑nominalising side common to advanced こと patterns:

  • こと如く(ごとく) – “as if; just like …” introduces a similar level of formality and is often used in written Japanese.
  • こともあって – “partly because …” also hinges on こと to nominalise a reason, giving a subjective, formal explanation.
  • ことなしに – “without doing …” shows the negative of a nominalised action, a natural counterpart to the superlative declarations made with この上(うえ)ない.
  • ことのないように – “so as not to …” also uses a similar negative nominalised structure, often seen in warnings and formal requests.

Learn ことこの上ない / この上ない / この上なく with Hane

When you’re ready to lock in these patterns alongside other N1 grammar, Hane lets you practise in short, focused sessions that reinforce form, nuance, and comparison.

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FAQ about ことこの上ない / この上ない / この上なく

What does ことこの上ない / この上ない / この上なく (koto kono ue nai / kono ue nai / kono ue naku) mean in Japanese?

ことこの上ない / この上ない / この上なく (koto kono ue nai / kono ue nai / kono ue naku) means “the most of all; the best; nothing is more ... than”. It is JLPT N1 grammar. Use these expressions when you want to say that something is the extreme limit of a quality, a joy, a disappointment, or any describable state – there is literally “nothing above it.

How do you form ことこの上ない / この上ない / この上なく (koto kono ue nai / kono ue nai / kono ue naku)?

Each version has a slightly different attachment, but all rest on the core image of “nothing above this.

What is the difference between ことこの上ない / この上ない / この上なく and 何よりも?

この上ない / この上なく: declares an absolute ceiling. 何よりも: ranks one thing above others.

What is an example sentence with ことこの上ない / この上ない / この上なく (koto kono ue nai / kono ue nai / kono ue naku)?

問題が解けたことこの上ない嬉しさだ。 — There is no greater joy than solving this problem.

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