The phrase "come out of the closet" refers to revealing a hidden aspect of oneself, typically related to sexual orientation or gender identity. Antonyms for this phrase would involve keeping this aspect hidden or remaining in the closet. Some examples of antonyms could include staying in the closet, suppressing one's true self, concealing one's identity, or denying an essential part of oneself. These antonyms suggest a sense of shame or fear surrounding the expression of one's true self. While society has come a long way in accepting and celebrating diversity, many individuals still struggle with the decision to come out due to the potential for discrimination and prejudice.