JLPT N16 min readUpdated May 18, 2026Grammar pattern

およそoyoso“about; roughly; generally; approximately; completely​”

Use およそ when you want to express an approximate quantity, a general tendency, or a total negation.

Meaning
about; roughly; generally; approximately; completely​
Pattern
およそ
Register
JLPT grammar
JLPT
N1
およそ is not just ”about”—in negative sentences it means ”utterly” or ”not at all”. That double identity makes it N1‑level.

およそ means about; roughly; generally; approximately; completely​ ~. It is a JLPT N1 Japanese grammar pattern used to approximate a quantity, degree, or state—and, conversely, to completely negate something.

This grammar point appears often in formal writing, news, and JLPT N1 reading passages. If you need a single word that can both soften a number and harden a denial, およそ is a pattern you’ll want to master.

What does およそ mean?

Use およそ when you want to express an approximate quantity, a general tendency, or a total negation.

Natural translations include:

  • about; roughly; generally; approximately; completely (not)

The key is context: with numbers it softens precision; with negative predicates it erases doubt entirely. Always check the sentence polarity before picking an English equivalent.

How to form およそ

およそ is an adverb that attaches to numbers, counters, nouns, or negative predicates.

およそ + quantity / time / people
およそ + Verb‑ない / 形容詞(けいようし)‑否定(ひてい)
およそ + の + Noun (as modifier)

Examples of the patterns:

  • およそ5分(ふん)
  • およそ30人(ひと)
  • およそ理解(りかい)できなかった
  • およその見当(けんとう)

When used as an adverb directly before a negative form, the に particle is not needed. The wrong answer choices on the JLPT often add unnecessary particles.

When is およそ used?

Use およそ in situations like:

  • giving an approximate number or time in a formal report
  • describing a general trend that isn’t exact
  • strongly denying something in a written argument
  • setting an approximate scope in a discussion

Tone and register:

  • formal, slightly literary; common in news, business writing, and academic prose
  • not typical in casual conversations; there it feels stiff

In spoken Japanese, you would more often hear 大体(だいたい) or 約(やく) for ”about”. Reserve およそ for situations that demand a polished, weighty tone.

およそ example sentences

駅(えき)まではおよそ5分(ごふん)です。
It’s about five minutes to the station.
approximate time
彼(かれ)の言(い)っていることはおよそ理解(りかい)できなかった。
I could scarcely understand what he was saying at all.
negative / complete
およその見当(けんとう)はついています。
I have a rough idea (of the situation).
noun-modifier
およそ一年後(いちねんご)に再開(さいかい)します。
It will resume after about one year.
formal notice
日本(にほん)ではおよそ年間(ねんかん)に2000回(にせんかい)の地震(じしん)が起(お)こる。
In Japan, roughly 2,000 earthquakes occur each year.
statistic / formal
会議(かいぎ)はおよそ終(お)わったようだ。
It looks like the meeting has more or less ended.
general state

After reading each sentence, ask what job およそ is doing: softening a number, painting a general picture, or slamming the door on a possibility. The nuance sticks better when you identify the function first.

Nuance of およそ

The core nuance is duality: approximation vs. total negation. When the sentence is positive, およそ signals ”not exactly, but near enough”. When the sentence is negative, it flips into ”not at all / not in any way / scarcely”.

This matters because learners often learn およそ only as ”about” and then misread a negative sentence. A pattern that looks simple can dramatically change meaning based on polarity.

Another subtle point: およそ with a noun plus の(およその計画(けいかく) etc.)implies ”a rough outline” rather than a precise estimate. That outline can be ”almost nothing” in a negative context.

⚠️
Don’t assume およそ is always ”approximately”. When it meets a negative verb, it intensifies the negation. Treat it as two separate entries in your mental dictionary.

およそ vs 約

Both およそ and 約(やく) can be translated as ”about”, but they carry different registers and ranges.

およそ
roughly, generally, utterly not
Used before numbers, nouns, and negative predicates. Carries a formal, literary tone. Emphasizes the ”approximately” idea or a broad outline, not precise rounding.
およそ100人(ひと)の参加者(さんかしゃ)
roughly 100 participants
お金のこ(かなのこ)とはおよそ考え(かんがえ)ていない。
I’m not thinking about money at all.
vs
約(やく)
approximately (numeric)
Strictly for numeric quantities. Very common in data, journalism, and presentations. Rarely appears in negative sentences, and cannot mean ”utterly”.
約(やく)100人(ひと)の参加者(さんかしゃ)
approximately 100 participants

If both translations seem possible, check whether the sentence is purely numeric and whether the overall tone is written and formal. 約(やく) fits best in a report; およそ broadens the scope to general tendencies and strong denials.

Common mistakes with およそ

❌ およそ10.3キロ
✅ 約(やく)10.3キロ / およそ10キロ
およそ pairs with rounded figures, not decimal‑precise numbers. Use 約(やく) or ほぼ for more precise approximations.
❌ 友達(ともだち)と話(はな)していて、「およそわかった」と言(い)った。
✅ 友達(ともだち)と話し(はなし)ていて、「だいたいわかった」と言っ(いっ)た。
In casual conversation, およそ sounds overly stiff. だいたい or ほぼ are more natural.
❌ 試験(しけん)はおよそ全滅(ぜんめつ)だ。 (confusing およそ with ”almost entirely”)
✅ 試験(しけん)はほぼ全滅(ぜんめつ)だ。
When you want ”almost entirely / nearly”, ほぼ is safer. およそ in a positive sentence leans toward ”roughly”, not ”virtually”.

A helpful habit: after writing a sentence with およそ, replace it with 約(やく) or だいたい. If the nuance doesn’t shift, you probably used it correctly. But when the replacement breaks the negative force or the formal feel, keep およそ.

Is およそ on the JLPT?

N1
およそ is firmly a JLPT N1 grammar item. It appears in reading comprehension sections and, less frequently, in grammar/vocabulary questions where they test whether you know its negative-intensifying use.
✔ Recognize both approximate and negative usages
✔ Differentiate from 約(やく), だいたい, ほぼ
✔ Understand its formal register

N1 passages often embed a single およそ inside a long sentence to test if you catch the shift from ”about” to ”not at all”. Read the sentence aloud and listen for the polarity.

Practice questions for およそ

1
Write a sentence describing a general fact about your city or country using およそ with a number.
approximation
2
Take a strong opinion (e.g., ”I can’t agree with that at all”) and express it with およそ + negative verb.
total negation
3
Compare an approximate estimate and a precise one: first use およそ, then rewrite with 約(やく). Explain why you would choose one over the other in a formal report.
vs 約(やく)
4
Describe a project timeline using およその + noun. Avoid numbers; focus on the rough outline.
noun modifier

Keep your early sentences straightforward, then add more situational flavor (news report, academic summary, formal apology) so the formal tone becomes natural.

Learning path for およそ

1
Separate the two meanings. Make a small chart: positive sentence → approximation , negative sentence → total negation. Test yourself by flipping a sentence’s polarity.
2
Compare with 約(やく), だいたい, ほぼ. Pick two examples from the example sentences and rewrite them with each alternative. Notice which ones keep the nuance and which ones lose it.
3
Read formal texts. Scan a Japanese news article or an academic abstract. Circle every およそ and decide whether it means ”about” or ”not at all”. This trains your brain to use context instantly.
4
Write a short formal paragraph. Use およそ at least twice—once for approximation, once for negation. Then read it aloud; if the stiffness feels awkward, you’ve nailed the register.

The goal isn’t just memorizing ”およそ = about”. It’s knowing exactly when its formal, literary bite is the right tool.

  • さ — the sentence‑ending particle さ can mark a quality or degree; in some contexts it overlaps with およそ when approximating a general feeling, and both live in the N1 formal‑spoken toolkit.
  • 折(おり)に — 折(おり)に means ”on the occasion of”, a formal phrase for setting context. It shares the polished register of およそ and appears in similar written passages.
  • さも — さも intensifies a statement (”truly, indeed”), much like およそ intensifies a negation. Learning them together helps you sense emphatic adverbs in formal Japanese.
  • 思(おも)いをする — 思い(おもい)をする expresses ”to feel / to have an experience”. Combined with およそ, it can convey an approximate feeling (およその思い(おもい)), a construction that deepens your control over abstract descriptions.

Learn およそ with Hane

If you want to review およそ alongside the patterns above, Hane helps you practice Japanese in short, focused sessions that adapt to your level.

Browse more lessons here:

FAQ about およそ

What does およそ (oyoso) mean in Japanese?

およそ (oyoso) means “about; roughly; generally; approximately; completely​”. It is JLPT N1 grammar. Use およそ when you want to express an approximate quantity, a general tendency, or a total negation.

How do you form およそ (oyoso)?

およそ is an adverb that attaches to numbers, counters, nouns, or negative predicates.

What is the difference between およそ and 約?

およそ: roughly, generally, utterly not. 約: approximately (numeric).

What is an example sentence with およそ (oyoso)?

駅まではおよそ5分です。 — It’s about five minutes to the station.

Practice this with Hane
Drill およそ until it’s automatic.

Short, focused iOS sessions for grammar, kanji, vocabulary, reading, and JLPT review. Use this lesson with the JLPT prep app and the Japanese learning app overview.

Get the TestFlight app