"Come out open" is a phrase that means to be honest, straightforward, and transparent. There are many synonyms that can be used in place of this phrase, such as "be forthright," "speak candidly," "reveal," or "disclose." Other synonyms include "confess," "unveil," "declare," "uncover," and "unmask." When someone comes out open, they are being truthful and authentic, which can lead to positive outcomes such as building trust and improving communication. Overall, using synonyms to describe someone who is being open and honest can help to provide a more accurate and dynamic description of their behavior.