1. The action or fact of leaving someone or something out or excluding them, either intentionally or unintentionally
The report contained several omissions that were later corrected.
O relatório continha várias omissões que foram corrigidas posteriormente.
2. Something that has been left out or not included
Notable omissions from the guest list included several key stakeholders.
As omissões notáveis da lista de convidados incluíram vários stakeholders importantes.
3. In law, the failure to perform a legal duty or obligation
The judge ruled that the lawyer's omissions constituted negligence.
O juiz decidiu que as omissões do advogado constituíram negligência.