An "overt act" is a term often used in the legal field to describe a physical action that supports or furthers the commission of a crime. There are several synonyms for an overt act, including manifest, plain, obvious, visible, and evident. These words describe something that is readily apparent and easily discernible. Other synonyms for an overt act are clear, distinct, and transparent. These terms highlight the fact that the act is open, straightforward, and not hidden. Additionally, the phrase "open act" is another synonym for overt act. This phrase emphasizes that the act is out in the open and not concealed in any way.