The term "adult film" is commonly used with regards to movies that contain explicit sexual content. However, there are many other synonyms or phrases that can be used instead of "adult film" in order to avoid any offense or embarrassment. Some of these include "erotic movie," "pornographic film," "porn," "X-rated film," "blue movie," and "hardcore film." Another way to refer to these types of movies is by using more euphemistic language such as "sexually explicit movie" or "mature content film." Whatever the term used, it is important to always be respectful and considerate of individuals who may have different beliefs or values.