Dictionary/既存きそんKisonAlso read: きぞん既存 (Kison) is a Japanese adjectival noun meaning “existing”.Meaningsadjectival noun, noun, suru verb, intransitive verbexistingKanji in 既存既previously存existRelated words存在existenceご存知knowing既にalready存じるto know保存preservation存分to one's heart's content存続continuance依存dependence思う存分to one's heart's content生存existence依存症dependence (on alcohol, drugs, etc.)温存preservation