noun
in one go; in a single breath; at a stretch
Describes completing a task or creating something without interruption, often used adverbially as 一気呵成に. Common in contexts like writing, work, or study.
彼は一気呵成に論文を書き上げた。
He wrote the paper in one go.
この絵は一気呵成に描かれた。
This painting was done in a single breath.