Weedkillers are products used to control or eradicate unwanted plants and weeds. They come in different forms, such as liquid sprays or granules. While the term "weedkiller" is commonly used to describe these products, it's worth noting that there are many synonyms that can be used interchangeably. These include herbicides, weed control chemicals, weed sprays, weed killers, and plant killers. Each of these synonyms accurately describes the function of these products, which is to eliminate unwanted vegetation. Choosing the right term can depend on the context of the conversation, but they all refer to the same type of product.