じゅうにがつ 12月 Common word LinksSentence search for 12月Sentence search for じゅうにがつSentence search for 十二月Sentence search for 一二月Kanji details for 月Edit in JMdict Noun1. DecemberNoun2. twelfth month of the lunar calendarOther forms十二月 【じゅうにがつ】、一二月 【じゅうにがつ】 Discussions Log in to talk about this word.