甚じん寒かんじんかんMeanings1nounintense coldrare termRare literary term for severe cold. Not used in everyday conversation; modern Japanese prefers 厳しい寒さ or 極寒.甚じん寒かんの候こう、皆みな様さまにはお変かわりなくお過すごしのことと存ぞんじます。In this season of intense cold, I trust you are all doing well.