Learn Hardcore Italian: Il bicchiere è pieno.

It translates to "The glass is full." The sentence identifies a specific glass (using the definite article il), states that it is in a state of being full with è (the verb to be), and describes its condition with the adjective pieno.

What is the role of the definite article il in this sentence?

The article il is used with masculine singular nouns in Italian. In this sentence, it indicates that we are talking about a specific glass—the glass—rather than any glass in general.

How does the verb è function in this sentence?

The verb è is the third-person singular present form of essere (to be). It links the subject (il bicchiere) to its predicate adjective (pieno), similar to how “is” functions in English.

Why is the adjective pieno used in its current form, and how does it agree with the noun?

The adjective pieno means full and is in the masculine singular form to agree with the noun bicchiere, which is also masculine singular. In Italian, adjectives must match the noun in both gender and number.