The term "Hitlerian" is often used to describe anything that is authoritarian, dictatorial or oppressive. However, due to the negative connotations associated with the name of notorious Nazi leader Adolf Hitler, it is not always an appropriate word to use. There are many other synonyms that can be used to describe similar traits, such as tyrannical, autocratic, despotic, or totalitarian. These words can be used to describe a person, an action or a regime that is characterized by oppressive or authoritarian behavior. It is always better to use words that are more accurate and precise when describing oppressive or dictatorial behavior than using a word that may offend or upset people.