The term "strong language" refers to words and phrases that are considered rude, offensive, or vulgar. However, there are various synonyms for this term, including explicit language, foul language, offensive language, profanity, and vulgar language. These words are often used in informal settings, and their usage can indicate anger, frustration, or emphasis. The use of strong language can also be seen as a way of expressing oneself, and it can be a means of gaining attention or creating an impact. However, it is important to be mindful of the audience and context when using strong language, as it can be considered inappropriate or offensive in certain situations.