Last Updated：2025/11/19

Dictionary quizzes to help you remember the meaning

one

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Source Word

one

IPA(Pronunciation)

/wʌn/

Pronoun

impersonal indefinite pronoun sometimes with-definite-article personal

(impersonal pronoun, indefinite) One thing (among a group of others); one member of a group.

Japanese Meaning

ひとつ、ある1つのもの（集団や群れの中の不特定の１員または１項目を示す）

What is this buttons?

I picked one from the pile without thinking.

Google Translation / DeepL Translation

私は考えずに山積みの中から一つ取り出した。

Details

Sense（1）

(impersonal pronoun, indefinite) One thing (among a group of others); one member of a group.

Any one of the boys. The big one looks good. I want the green one. Every one of the bank’s employees. A good driver is one who drives carefully.

Google Translation / DeepL Translation

Details

Sense（2）

(impersonal pronoun, sometimes with "the") The first mentioned of two things or people, as opposed to the other.

She offered him an apple and an orange; he took one and left the other.

Google Translation / DeepL Translation

Details

Sense（3）

(indefinite personal pronoun) Any person (applying to people in general).

One’s guilt may trouble one, but it is best not to let oneself be troubled by things which cannot be changed. One shouldn’t be too quick to judge.

Google Translation / DeepL Translation

Details

Sense（4）

(pronoun) Any person, entity or thing.

"driver", noun: one who drives.

Google Translation / DeepL Translation

Details

oneself

（ reflexive ）

one’s

（ adjective possessive ）

ones

（ plural ）

Details

one

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