noun
retreat; withdrawal; depression (hole)
Refers to the act of pulling back or a recessed area. Often used in set phrases like 引っ込みがつかない (unable to back out).
彼は引っ込みがつかなくなって、謝るしかなかった。
He got himself into a position where he couldn't back out, and had no choice but to apologize.
壁に引っ込みがあって、そこに小さな
There is a recess in the wall, and a small shelf is fitted into it.