There are several synonyms for the phrase "gotten lost". One of the most common is "misplaced," which implies that something has been put in the wrong place. Another synonym is "disoriented," which suggests a lack of direction or orientation. Other synonyms include "strayed," "wandered," and "lost track," which all imply a sense of wandering or becoming lost without a clear purpose. Additionally, "confused" and "bewildered" can also be used to describe a state of being lost or disoriented. Ultimately, the choice of synonym will depend on the context in which the phrase is being used and the precise meaning that the speaker or writer wants to convey.