

El lago es muy profundo.
[el ˈlaɣo es muj pɾoˈfundo.]
The lake is very deep.
¿Es profunda la piscina en esta parte?
[¿es pɾoˈfunda la pisˈθina en ˈesta ˈpaɾte?]
Is the pool deep in this part?
Tiene unos ojos azules y profundos.
[ˈtjene ˈunos ˈoxos aˈθules i pɾoˈfundos.]
He has deep blue eyes.
"profundo" is in the lesson "Adjectives 6" (Level 40), along with 10 other useful words. LinDuo has 180 topic lessons like this one, 2,369 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.