最終更新日：2025/11/19

The day immediately before today; one day ago. / (figuratively) The past, often in terms of being outdated.

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yesterday

元となった辞書の項目

yesterday

IPA（発音記号）

名詞

比喩的用法

The day immediately before today; one day ago. / (figuratively) The past, often in terms of being outdated.

日本語の意味

昨日 ― 今日の直前の日、一昨日の前日 / （比喩的に）過去、時代遅れのものを指す場合がある

I often think about yesterday as a lesson learned.

私はよく昨日のことを教訓として考える。

意味（1）

The day immediately before today; one day ago.

Today is the child of yesterday and the parent of tomorrow.

意味（2）

(figuratively) The past, often in terms of being outdated.

yesterday's technology

yesterdays

（ plural ）