ならせい 習い性となる Show inflections LinksSentence search for 習い性となるSentence search for ならいせいとなるSentence search for 習い性と成るKanji details for 習 and 性Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. habit is a second natureProverbOther forms習い性と成る 【ならいせいとなる】 Discussions Log in to talk about this word.