おおじだい 大時代 Common word LinksSentence search for 大時代Sentence search for おおじだいSentence search for だいじだいKanji details for 大, 時 and 代Edit in JMdict Na-adjective (keiyodoshi), Noun1. old-fashioned; antiquated; anachronisticOther forms大時代 【だいじだい】Notesだいじだい: Irregular kana usage. Discussions Log in to talk about this word.