若き

young

→ 若い
young + Attributive
adjective Rare #37,774
young A literary or formal attributive form of 若い, often used in expressions such as 若き日(young days).
JA: 若き日の思い出を大切にしている。
EN: I cherish the memories of my youth.
Forms of 若い

親愛なる若き友よもしやディクソンさん

My dear young friend, are you perhaps Mr. Dixon?

— どん底作家の人生に幸あれ! (2019)

老い若き戦争にいった

Young and old alike went off to war.