一気に (いっきに, ikkini) Japanese meaning: in one go | KotomoraI drank the beer down in one go.
I finished reading the novel in one sitting.
Usage patterns
〈物〉を一気に飲むto drink something down in one go
He drank the beer all in one go.
〈物〉が一気に増えるfor something to suddenly increase a lot
The number of participants suddenly shot up.
一気に読み終えるto finish reading something in one sitting
I finished reading that novel in one sitting.
〈物〉が一気に変わるfor something to change abruptly and completely
The weather changed all at once.
N1
段階的 describes something done in stages over time, while 一気に describes something done all at once in a single burst.
