1. to intentionally not provide a final decision, conclusion, or resolution to something; to allow for future possibilities or changes
The manager decided to leave the project open-ended until more information was available.
O gerente decidiu deixar o projeto em aberto até que mais informações fossem disponibilizadas.
2. to pose a question or statement without expecting a definitive answer or allowing for multiple interpretations
She left the conversation open-ended, inviting further discussion.
Ela deixou a conversa em aberto, convidando discussões posteriores.