The phrase "be rid of" is commonly used to indicate that someone or something has been removed or eliminated. There are several synonyms that can be used instead of this phrase, such as "get rid of," "eliminate," "dispose of," "banish," "expel," "ouster," "eject," and "purge." These words all convey the sense of getting rid of or removing something unwanted or undesirable. Using different synonyms can add variety and interest to your writing while also conveying the meaning more effectively to your audience. So, choose the right word that best fits your context and tone to express your ideas more effectively.