行為
こうい
koui
JLPT N1adjectiveVocabularyLevel 94 - JLPT N1
Quick answer
行為 (こうい (koui)) means "Act". It is a Japanese adjective. Pronunciation, examples, and related kanji are on this page.
Meaning
Act
Also : Deed · Conduct
Learn 行為 with SRS
Free to start — no credit card. Track every review with spaced repetition.
Example Sentences
その犯罪行為は多くの人々に深刻な被害をもたらした。
そのはんざいこういはおおくのひとびとにしんこくなひがいをもたらした。
That criminal act brought serious harm to many people.
Kanji in this word
Grammar to study at this level
- [Noun/Verb dictionary form] + に際して~に際して (ni saishite) - On the occasion of
- [Noun] + をもとに(して)~をもとに (wo moto ni) - Based on
- [Noun/Verb dictionary form] + にあたって~にあたって (ni atatte) - When doing; Upon
- [Verb/Adjective/Noun] + にしろ/にせよ~にしろ/にせよ (ni shiro/ni seyo) - Even if; Regardless of
- [Noun] + をめぐって~をめぐって (wo megutte) - Concerning; Over; Surrounding
Last updated Jul 22, 2026
Learn 行為 with Spaced Repetition
InitialJ uses scientifically proven SRS to help you memorize kanji and vocabulary for the JLPT. N5 is free forever; no credit card required.