一

The number one, a single unit, or the rank of first.

Readings

Other forms

一つ hitotsu

壱 formal/legal

１ numeral

1 Noun, Numeric

The Number One

Identifies the numerical integer 1 in mathematics, phone numbers, and sequential counting.

Example

一月一日に日本へ行きます。

I will go to Japan on January 1st.

4 more examples in the mobile app

2 Noun, Prefix

One thing" / "A single...

Refers to a single unit or entity using the native Japanese counting system.

Usage notes & examples available in the mobile app

3 Prefix, Suffix

First" / "Best" / "Most

Indicates the highest rank, premier status, or superlative degree within a group.

Usage notes & examples available in the mobile app

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VOCAB 2 / 30

一

いち, ひと

The number one, a single unit, or the rank of first.

Example

この言葉を覚えましょう。

Let's memorize this word.

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