Proximity:
* Vicino/a: This is the most common and general way to say "close" in terms of physical proximity. It can be used for both people and objects. For example, "Il mio amico vive vicino a me" (My friend lives close to me).
* Accanto: This means "beside" or "next to" and is used for objects or people that are very close together. For example, "Il mio cane dorme accanto a me" (My dog sleeps next to me).
* Vicino/a a: This is a more formal way of saying "close to" and can be used for both people and objects. For example, "Il ristorante è vicino al parco" (The restaurant is close to the park).
Relationship:
* Intimo/a: This means "intimate" or "close" and refers to a close relationship, usually between people. For example, "Sono molto intimo/a con i miei amici" (I am very close with my friends).
* Stretto/a: This means "close" or "tight" and can be used to describe a relationship that is very close and strong. For example, "Il mio legame con mia sorella è molto stretto/a" (My bond with my sister is very strong).
* Caro/a: This means "dear" or "close" and is used to express affection for someone. For example, "Sei un caro/a amico/a" (You are a dear friend).
Other:
* Prossimo/a: This means "next" or "closest" and is used to describe something that is the closest in time, space, or order. For example, "Il prossimo mese andrò in vacanza" (Next month I will go on vacation).
* Presso: This means "at" or "near" and is often used in formal contexts. For example, "Presso la nostra azienda si cerca un nuovo impiegato" (Our company is looking for a new employee).
It's important to choose the correct word depending on the context and the type of closeness you want to express.