空っぽ

1. Origins, structure, and basic meaning

• Structure: 空っぽ is read からっぽ. It means empty: having nothing or almost nothing inside.
• Basic usage: It describes the state of a refrigerator or the result of removing a box's contents.

2. Common pitfalls and similar expressions

• Describing a state
  • ほとんど空っぽだった says that the inside was almost empty.
• Result with にする
  • 箱を空っぽにした means making the box empty by removing its contents.