This is the 9580th most frequent Japanese word.
置き去り
"置き去り" means "abandonment" or "being left behind."
The phrase "置き去り" is used metaphorically to describe leaving someone behind, physically or metaphorically.
彼は友人を置き去りにして先に進んだ。
He left his friend behind and moved forward.
Here, "置き去り" is used figuratively to mean neglecting or excluding something.
重要な問題が議論から置き去りにされてはいけない。
Important issues should not be left out of the discussion.
In this example, "置き去り" is used to describe being physically abandoned or left in a place.