1. Noun, Noun which may take the genitive case particle 'no'

   1.

   emptiness; being empty

2. Prefix

   2.

   not carrying anything; unburdened; empty-handed

3. 3.

   dishonoured (bill, promise, etc.); false; no-show (reservation); put-on (cheeriness, courage, etc.)

Example sentences

• 冷蔵庫、空っぽ！

  The fridge is empty!

• 空を見てみろよ！

  Look up there at the sky!