つい 序でがある LinksSentence search for 序でがあるSentence search for ついでがあるSentence search for 序でが有るKanji details for 序Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending (irregular verb)1. to have occasion to doUsually written using kana aloneOther forms序でが有る 【ついでがある】 Discussions Log in to talk about this word.