unflappable

IPA（発音記号）

形容詞

Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily.

日本語の意味

どんな状況でも動じず、平常心を保ち続ける / 冷静沈着で、些細なことに簡単には気が動かされない

Even when the server crashed during the presentation, her unflappable demeanor kept the team focused.

プレゼンテーション中にサーバーがクラッシュしたときでさえ、彼女の冷静沈着な態度がチームの集中力を保った。

意味（1）

Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily.

The whole thing looked remarkably like an implacable force meeting an unflappable object.

more unflappable

（ comparative ）

most unflappable

（ superlative ）