# あるいは: or; either; maybe; perhaps; possibly ~

> Learn how to use あるいは, a JLPT N2 Japanese grammar point meaning or, with structure, nuance, examples, mistakes, and comparisons.

JLPT level: N2 · Updated: 2026-05-02 · Canonical: https://hane-app.com/blog/n2-aruiwa/

**あるいは** means **or; either; maybe; perhaps; possibly ~**. It is a **JLPT N2** Japanese grammar pattern used to express that presenting formal alternatives or rephrasing an idea in different terms, often tentatively.

This grammar point often appears in essays, formal writing, conversations, and JLPT N2 reading passages. If you want to express that presenting formal alternatives or rephrasing an idea in different terms, often tentatively, **あるいは** is a useful pattern to learn because it adds natural precision to your Japanese.

## What does あるいは mean?

Use **あるいは** when you want to express that presenting formal alternatives or rephrasing an idea in different terms, often tentatively.

Natural translations include:
- or; either; maybe; perhaps; possibly ~

The best translation depends on the sentence. Try to notice the writer's or speaker's purpose first, then choose the English phrase that fits that context.

## How to form あるいは

あるいは + Phrase / あるいは + Sentence

Examples of the pattern:
- あるいは彼が来るかもしれない
- 電車、あるいはバスで行く
- あるいは、そうではないかもしれない

The form before the grammar point matters. In JLPT questions, the wrong answer choices often use a similar meaning but attach it to the wrong type of word.

## When is あるいは used?

Use **あるいは** in situations like:
- presenting formal alternatives, rephrasing, or cautious suppositions
- expressing personal reactions, reasoning, or observations
- connecting ideas in formal and informal contexts

Tone and register:
- formal; more written than spoken
- Common in test questions, essays, daily conversation, and JLPT N2 reading

## あるいは example sentences

- 電車、あるいはバスで行くことができます。
- この問題は、あるいは解けないかもしれない。
- メール、あるいはお電話でご連絡ください。
- あるいは彼女の言うことが正しいのかもしれない。
- 書面で、あるいは口頭でお伝えします。

After reading each sentence, ask what job **あるいは** is doing: presenting formal alternatives or rephrasing an idea in different terms, often tentatively. That makes the nuance easier to remember than a one-word translation.

## Nuance of あるいは

The key nuance is **presenting formal alternatives or rephrasing an idea in different terms, often tentatively**.

This matters because learners often translate advanced grammar too literally. A pattern may look simple, but it can signal the writer's attitude, the scope of a rule, or the relationship between two ideas.

For example:
- In context, it carries a specific, nuanced meaning that a simpler pattern would not convey.
- Compared with **または**, it carries a different weight and implication.

## あるいは vs または

Both **あるいは** and **または** can express related ideas, but they are different.

**あるいは**:
- presenting formal alternatives or rephrasing an idea in different terms, often tentatively

**または**:
- or (mechanical listing of choices)

Quick contrast examples:
- 電車またはバスで行く。
- 電車、あるいはバスで行く。

If both translations seem possible, check the tone. Is the sentence casual, formal, written, explanatory, or emotional? The tone often tells you which grammar point is natural.

## Common mistakes with あるいは

Watch out for these mistakes:
- Translating it too literally without understanding the nuance
- Using it in contexts where the situation doesn't match the grammar's core meaning
- Confusing it with similar-looking but different grammar patterns

A helpful practice method is to write one sentence with **あるいは**, then rewrite it with **または**. If the meaning or tone changes, explain that difference in your own words.

## Is あるいは on the JLPT?

Yes. **あるいは** is commonly taught as **JLPT N2** grammar.

That means learners should be able to:
- recognize it in reading
- understand its nuance in context
- use it in simple original sentences

For test preparation, study the grammar point in full sentences. JLPT questions often test whether you understand the surrounding context, not just the dictionary meaning.

## Practice questions for あるいは

Try making your own sentences with these prompts:
- Use あるいは in a sentence about a personal experience or observation.
- Write a sentence where the nuance of あるいは is necessary.
- Compare あるいは with または in your own example.

Keep your first sentences simple. Once the structure feels natural, add more context so the nuance becomes clear.

## Learning path for あるいは

To learn **あるいは** efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.

1. First, make sure you can form **あるいは** without looking at the pattern chart.
2. Next, compare it with または. These patterns are close enough that choosing between them helps you understand the nuance.
3. Finally, write sentences where **あるいは** is necessary; then check whether replacing it with one of the related patterns below changes the meaning.

## Related grammar to review next

- [からと言って（からといって）](/blog/n2-kara-to-itte/) — because it also deals with logical alternatives and assumptions
- [いわゆる](/blog/n2-iwayuru/) — because it also introduces labels and conceptual framing
- [もっとも](/blog/n2-motto-mo/) — because it also adds qualifications and nuanced statements

## Learn あるいは with Hane

If you want to review **あるいは** together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

Browse more lessons here:
- [All grammar lessons](/blog/)
- [JLPT N2 grammar lessons](/blog/n2/)