Caudally is an adverb that refers to the position toward the tail end of an animal's body. There are several synonyms that can be used in place of caudally, including posteriorly, back-end, rearward, or tailward. Another possible synonym is distally, which means farthest from the point of origin or attachment. In a similar vein, inferiorly refers to a lower position than something else, and it is also sometimes used as a synonym for caudally. These synonyms can help you add variety to your writing while still conveying the same meaning as caudally. Whether you're writing about animal anatomy or using medical terminology, these synonyms can help you communicate effectively.