A2
If something is empty, it does not contain any things or people.
Dictionary examples:
My phone battery is empty. Now I have to talk to people! (0.0)
My brain feels empty after that long math test! (0.0)
My wallet is so empty, even the moths moved out! (0.0)
an empty house/street (30.7)
Shall I take the empty bottles for recycling? (34.4)
The train was empty by the time it reached London. (35.1)