最終更新日：2025/11/19

Dictionary quizzes to help you remember vocabulary

Downward movement, fall. / A sloping downward, e.g. of a hill or road. / A weakening. / A reduction or diminution of activity. / The act of declining or refusing something.

音声機能が動作しない場合はこちらをご確認ください

正解を見る

decline

編集履歴（0）

元となった辞書の項目

decline

IPA（発音記号）

/dɪˈklaɪn/

名詞

可算名詞不可算名詞

Downward movement, fall. / A sloping downward, e.g. of a hill or road. / A weakening. / A reduction or diminution of activity. / The act of declining or refusing something.

日本語の意味

下降、落下 / 斜面（下向きの傾斜） / 衰退、衰弱 / 活動や勢いの低下 / 断ること、辞退

このボタンはなに？

The sudden decline in bird populations alarmed conservationists.

Google翻訳 / DeepL翻訳

鳥の個体数の急激な減少が保護活動家を驚かせた。

詳細

意味（1）

Downward movement, fall.

意味（2）

A sloping downward, e.g. of a hill or road.

意味（3）

A weakening.

In an era when political leaders promise deliverance from decline through America’s purported preeminence in scientific research, the news that science is in deep trouble in the United States has been as unwelcome as a diagnosis of leukemia following the loss of health insurance.

Google翻訳 / DeepL翻訳

詳細

意味（4）

A reduction or diminution of activity.

It is also pertinent to note that the current obvious decline in work on holarctic hepatics most surely reflects a current obsession with cataloging and with nomenclature of the organisms—as divorced from their study as living entities.

Google翻訳 / DeepL翻訳