Last Updated：2025/11/20

(idiomatic) Something that is done, created, etc. only once, and often quickly, simply, or improvisationally. / Something unique and remarkable.

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one-off

Source Word

one-off

Noun

idiomatic

Japanese Meaning

一度限りの（例外的な、一回しか行われない、唯一のもの） / ユニークで特筆すべきもの

The prototype was a one-off, assembled from spare parts in a single evening.

その試作品は予備部品を寄せ集めて一晩で作った一回限りのものだった。

Sense（1）

(idiomatic) Something that is done, created, etc. only once, and often quickly, simply, or improvisationally.

I'll put together a quick one-off as a sample so we can taste the recipe.

Sense（2）

Something unique and remarkable.

It is a one-off; there is nothing else like it.

one-offs

（ plural ）