There are several synonyms for the phrase "retrace your steps." One option is to say "backtrack," indicating that you are going back along the same path you already walked. Another similar phrase is "double back," which means to turn around and walk back in the direction you came from. You could also use "return to your starting point" to describe retracing your steps or "revisit" if you are going back to a specific location. Another option could be to say "retraverse," which means to cross over or traverse again. Ultimately, each of these words and phrases means the same thing: going back the way you came.