

O frigorífico está vazio outra vez.
O teu copo já está vazio?
O restaurante está quase vazio hoje.
"vazio" is in the lesson "Properties" (Level 26), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.