Dictionary/ナイフNaifuJLPT N5ナイフ (Naifu) is a Japanese noun meaning “knife”.MeaningsnounknifeExamplesナイフを貸して下さい。Please lend me your knife.彼は木にナイフを刺した。He stuck his knife into the tree.彼はナイフで肉を切った。He cut the meat with a knife.Sentences from Tatoeba (CC BY 2.0 FR).