Jumbuck is a word of Australian origin that refers to a sheep, particularly one that has escaped from a flock. There are a variety of synonyms for jumbuck, depending on the context. One common synonym is "bush sheep," which highlights the animal's tendency to wander far from human civilization. Another option is "scrub sheep," which emphasizes the rugged terrain that it might inhabit. In some cases, jumbuck can be used interchangeably with the more general term "livestock" or the specific term "ewe." Overall, the various synonyms for jumbuck all capture different aspects of its identity as a wild and elusive member of the ovine family.