ふてい 不貞 Wanikani level 51 LinksSentence search for 不貞Sentence search for ふていKanji details for 不 and 貞Edit in JMdict Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun1. unfaithfulness; infidelity; unchastity Discussions Log in to talk about this word.