かみくず紙屑kamikuzuかみ紙kamiくずkuzu
1.
A type of paper that has lost its usefulness to an individual, typically regarded as refuse or garbage, and is meant to be discarded.
2.
Small fragments or shreds of paper that are no longer needed, often resulting from previous use, and may accumulate during activities such as writing or crafting.
3.
Pieces of paper that are considered worthless, frequently associated with being discarded or thrown away, and may include notes, receipts, and other documents that are no longer relevant.
Example:
その部屋は紙くずだらけだった。