Cat stoppers are a popular garden tool used to deter cats from entering flower beds and other areas where they may cause damage. If you are looking for alternative names for cat stoppers, there are several options to choose from. One common synonym for a cat stopper is a cat repellent. This term describes any substance or device designed to repel cats from a certain area. Another option is a cat deterrent, which can be a physical barrier or a device that emits a sound or scent that cats find unpleasant. Other potential synonyms for a cat stopper include cat scarer, cat chaser, and cat repellent mat. Whatever term you choose, the goal is the same: to keep unwanted feline visitors away from your garden or other areas of your property.