最終更新日：2025/11/20

During or throughout the night, especially during the evening or night just past. / (figuratively) In a very short (but unspecified) amount of time.

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正解を見る

overnight

元となった辞書の項目

overnight

IPA（発音記号）

副詞

比較不可比喩的用法

日本語の意味

一晩中、夜通し / （比喩的に）一夜にして、あっという間に

The temperature dropped overnight, so cover the plants before morning.

気温は夜の間に下がったので、朝になる前に植物を覆っておいてください。

意味（1）

During or throughout the night, especially during the evening or night just past.

Let it run overnight and we'll check on it in the morning.

意味（2）

(figuratively) In a very short (but unspecified) amount of time.

The change seemed to happen overnight.