ふいつ 不意を突く Show inflections LinksSentence search for 不意を突くSentence search for ふいをつくSentence search for 不意をつくSentence search for 不意を衝くKanji details for 不, 意 and 突Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ku' ending1. to take by surpriseOther forms不意をつく 【ふいをつく】、不意を衝く 【ふいをつく】 Discussions Log in to talk about this word.