JMdict: 1161750

一気呵成 【いっきかせい】

  1. [adv,n] finishing writing, work, etc. at a stroke (stretch); knocking something off without a break
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
一 One, One Radical (no.1) イチ, イツ ひと-, ひと.つ 1
気 Spirit, Mind, Air, Atmosphere, Mood キ, ケ いき 1
呵 Scold, Blow On, Reprove カ か.す, しか.る, わら.う
成 Turn Into, Become, Get, Grow, Elapse, Reach セイ, ジョウ な.る, な.す, -な.す 4