The antonyms for the phrase "brings out into the open" could vary based on the context. However, some possible antonyms could be "hides," "conceals," "suppresses," "covers up," or "obscures." These words imply the act of keeping something hidden, unnoticed, or secret, which might be the opposite of bringing out into the open. In some cases, people prefer to keep some things private or confidential, withholding them from others' knowledge. This, in turn, could lead to misunderstandings, misinterpretations, or conflicts. Overall, antonyms for "bringing out into the open" indicate an attempt to keep something away from attention or scrutiny.