Antonyms of the phrase "brought to a close" include "ongoing", "unfinished", "continuing", "incomplete", and "pending". These opposing terms signify activities, projects, or events that have not reached their final stages or conclusions. For example, an ongoing debate, an unfinished painting, a continuing investigation, an incomplete task or a pending trial. These terms indicate that there is more work to be done, and progress is necessary to reach a satisfactory conclusion. In contrast, "brought to a close" implies that the task or event has been successfully concluded, and there is no further action required. Therefore, knowing the antonyms of "brought to a close" can be helpful in understanding the state of any activity or task.