Dictionary/清澄せいちょうSeichou清澄 (Seichou) is a Japanese na-adjective meaning “clear, serene”.Meaningsna-adjective, nounclear; sereneKanji in 清澄清pure澄lucidityRelated words澄むto become clear (water, air, etc.)清いclean清掃cleaning清潔clean清算(financial) settlement清らかclean粛清(political) purge清書fair copy清浄pure澄み切るto be perfectly clear (water, air, etc.)清流clear stream清廉honest