ふい 不意 Common word JLPT N1 Show 2 collocations 不意をつく - to take by surprise不意を打つ - to take (a person) unawares LinksSentence search for 不意Sentence search for ふいKanji details for 不 and 意Edit in JMdict Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun1. sudden; abrupt; unexpected; unforeseen Discussions Log in to talk about this word.