0 the practice of buying a lot of books and keeping them in a pile because you intend to read them but have not done so yet; also used to refer to the pile itself: --
Tsundoku is the Japanese word for the stack of books you've purchased but haven't yet read.
Do you have a habit of picking up books that you never quite get around to reading? If this sounds like you, you might be unwittingly engaging in tsundoku.
Tsundoku is acquiring reading materials but letting them pile up in one's home without reading them.