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.

Start free

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

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.