False key is a term that refers to a tool used in lock picking to gain entry into a secured place. It is an illegal and unethical activity. There are several alternatives to the term "false key". One of the synonyms for the term is "lock pick". This term is widely used among the locksmiths and those who are interested in lock picking. Another synonym for the term is "bump key". The term is used to refer to a key that has been filed or cut in a specific way so that the structure of the lock can be manipulated and the door can be opened. Whatever the term, it is important to note that using such tools is illegal and can result in criminal charges.