ometteranno
ometteranno is the third-person plural future tense of the Italian verb "omettere". The verb "omettere" translates to "to omit", "to leave out", or "to fail to do" in English. Therefore, "ometteranno" specifically means "they will omit", "they will leave out", or "they will fail to do".
This verb form would be used in a sentence to describe an action that a group of