What does 刑事 mean?
刑事 is a Japanese noun meaning “criminal case, (police) detective” in English. It can also be translated as “criminal matter” depending on context. It is written as 刑事 in kanji, けいじ in hiragana, and keiji in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
その泥棒は刑事を見ると走って逃げた。
The thief ran away at the sight of a detective.