"Tallowy" is a unique word that describes the texture and appearance of fatty substances. If you're looking for synonyms that convey a similar meaning, some great options include greasy, oily, fatty, lardy, waxy, and buttery. Each of these words is associated with the texture of something that contains a lot of fat. These words are great for describing food, especially dishes that are high in fat content. Alternatively, you could also use these words to describe the texture of oils, lotions, and various skincare products. Regardless of how you choose to use these synonyms, they offer many different ways to describe the quality of a substance that is tallowy.