尽じんじんFreq.FrequencyTop 50,000じ字FuriganaMeanings1noun, noun, used as a suffixlast day of the monthabbreviationAbbreviation of 尽日 (じんじつ). Used as a suffix in month-end expressions like 月末 (げつまつ) or 三月尽 (さんがつじん). Rare as a standalone noun.See also: 尽日 (じんじつ)三さん月がつ尽じんの日ひは三さん十じゅう一いち日にちです。The last day of March is the 31st.「尽じん」は月げつ末まつを表あらわす古ふるい言いい方かたで、今いまは「月げつ末まつ」のほうが普ふ通つうです。尽 is an old way to say the end of the month; nowadays 月末 is more common.Expressions不ふ尽じんsincerely yours; yours truly; I'll write again soon