せんじんき 先陣を切る Show inflections LinksSentence search for 先陣を切るSentence search for せんじんをきるKanji details for 先, 陣 and 切Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to lead (advance); to spearhead (campaign, attack)Idiomatic expression Discussions Log in to talk about this word.