Caterwauls are loud and often unpleasant sounds that can be irritating to the ears. However, there are several synonyms that you can use to describe these noises. Some of the common synonyms for caterwauls include screech, yelp, wail, howl, shriek, and scream. These words can be used interchangeably depending on the context and tone of the sound being described. For instance, a screech might describe a high pitched and quick sound, while a wail might describe a prolonged and mournful sound. Regardless, using synonyms can enhance your writing and allow you to switch out repetitive language.