The phrase "all clear" is often used to indicate a situation where everything is safe or back to normal. However, there are many alternative phrases and synonyms that can be used to convey similar meanings. Some examples include "good to go," "green light," "safe and sound," "no threat detected," "everything clear," and "no danger present." Each of these phrases can convey a sense of safety and security and may be more appropriate depending on the context and severity of the situation. So, the next time you're looking for a way to say "all clear," consider using one of these alternatives for added variety and clarity.