おおまじめ 大真面目 LinksSentence search for 大真面目Sentence search for おおまじめSentence search for 大まじめSentence search for 大マジメKanji details for 大, 真, 面 and 目Edit in JMdict Na-adjective (keiyodoshi)1. deadly serious; deadly earnestOther forms大まじめ 【おおまじめ】、大マジメ 【おおまじめ】 Discussions Log in to talk about this word.