The phrase "rid of" means to eliminate or get rid of something or someone. While it is a commonly used phrase, there are plenty of synonyms that can be used interchangeably. Some alternatives include "remove," "eliminate," "dispose of," "clear," "purge," "eradicate," "abolish," "annihilate," "obliterate," and "dissolve." These words can add a strong emphasis to your writing as they indicate a strong desire to get rid of something. Using synonyms for "rid of" can make your writing less repetitive and keep your readers engaged.