ふかっせい 不活性 LinksSentence search for 不活性Sentence search for ふかっせいKanji details for 不, 活 and 性Edit in JMdict Noun which may take the genitive case particle 'no'1. inert; noble; neutralChemistryNoun which may take the genitive case particle 'no'2. inactive Discussions Log in to talk about this word.