Here are some possibilities:
1. As an adjective:
* "Mediocre" or "average": This translates to "mediocre" or "medio". For example, "The movie was mean" would be "Il film era mediocre".
* "Cruel" or "wicked": This translates to "cattivo" or "malvagio". For example, "He was mean to his sister" would be "È stato cattivo con sua sorella".
* "Stingy" or "ungenerous": This translates to "avaro" or "taccagno". For example, "He's mean with his money" would be "È avaro con i suoi soldi".
2. As a verb:
* "To mean" (in the sense of "intend"): This translates to "significare" or "intendere". For example, "What does this mean?" would be "Cosa significa questo?" or "Cosa intendi?".
* "To be important" or "to matter": This translates to "importare". For example, "It means a lot to me" would be "Mi importa molto".
3. As a noun:
* "The mean" (as in "the average"): This translates to "la media". For example, "The mean height is 5'10" would be "L'altezza media è 1,78 metri".
To understand the meaning of "mean" in Italian, you need to consider the context in which it is used.