When looking for synonyms to replace the phrase "out in the open," there are a few options to choose from. For example, "visible" is a good choice to convey the idea that something is clearly and easily seen. "Exposed" carries a similar connotation, suggesting that something is out in the open and potentially vulnerable. "Overt" could work as well, as it means easily seen or recognized. "Unconcealed" is another option, indicating that something is not hidden or obscured in any way. Ultimately, the best synonym for "out in the open" will depend on the context and desired tone of the writing or speech.