impatience; irritation; frustration; fretfulness
期限が迫り焦燥感に駆られた。
As the deadline approached, I was driven by impatience.
焦燥に耐えながら結果を待った。
I waited for the results while enduring frustration.
彼の顔には焦燥の色が浮かんでいた。
An expression of impatience was visible on his face.