1) 若朽じゃっきゅう Link copied! じゃっきゅう [0] Meaning Shirabe Noun Obsolete being young yet unambitious; being young but lacking spirit See also: 老朽 (ろうきゅう) Kanji 若 ジャク young, if, perhaps 朽 キュウ decay, rot, remain in seclusion Forms 若朽若朽じゃっきゅうじゃっきゅうじゃっきゅう