Sacre is a French word that translates to profanity or curse in English. However, there are plenty of synonyms that can be used to communicate the same idea without resorting to vulgarity. Some examples include blaspheme, curse, damn, and swear. These words can be used in a variety of contexts, such as expressing frustration or anger, but it's important to use them with discretion as they can still come across as inappropriate or offensive in certain situations. Ultimately, choosing the right words to convey your message is a matter of understanding your audience and using language that is appropriate and respectful.