noun
young person acting old; young fogey
Colloquial, often mildly teasing term for a young person who behaves, speaks, or thinks like an elderly person.
彼はまだ二十代なのに、趣味が渋くて若年寄みたいだ。
He's still in his twenties, but his tastes are so old-fashioned he's like a young fogey.
若年
People call me a young fogey, but I just like subdued clothes.
noun
junior elder; Edo-period official assisting the council of elders
Historical term for a mid-ranking official in the Edo shogunate who assisted the 老中 (rōjū, council of elders).
See also: 老中
江戸幕府の若年寄は、老中を補佐する重要な役職だった。
The wakadoshiyori of the Edo shogunate was an important post that assisted the rōjū.
時代劇で若年寄という役職を初めて知った。
I first learned about the post of wakadoshiyori from a period drama.