The word "azygous" means "not paired" or "solitary". Its antonyms, on the other hand, refer to something that is paired or in multiples. For instance, "paired" and "double" are antonyms of azygous. Similarly, "dual", "joint", and "coupled" are also antonyms. Other relevant antonyms include "bilateral", "triple", "quadruple", and "clustered". These antonyms provide a useful vocabulary for describing things that come in pairs or multiples, such as organs or body parts, as well as groups of objects or substances. By knowing the antonyms, it is easier to communicate precisely and accurately.