vast
The Italian word 'vasto' is an adjective used to describe something that is very large or extensive. It is often used to describe landscapes, spaces, or concepts. For example, one might say 'Il deserto del Sahara è vasto' (The Sahara desert is vast).
This is a vast field of study.
In this sentence, 'vasto' is used in a figurative sense to describe an extensive or broad field of study, suggesting it covers a lot of different areas or topics.
The desert is a vast and desolate place.
Here, 'vasto' describes the physical size of the desert, suggesting it covers a large distance or area, and there's not much, if anything, to break up the space.
They have a vast selection of books.
In this phrase, 'vasto' is used to describe the size of a selection of books, suggesting that there are a lot of them to choose from.