Unstaffed refers to the absence of employees or personnel in a particular location or setting. There are a variety of synonyms that can be used to describe this condition. Some of the most common options include unmanned, unoccupied, empty, vacant, and deserted. Each of these terms conveys a similar idea of a place without any people present. Other possible synonyms might include abandoned, isolated, or secluded, depending on the specific context and situation. Regardless of the specific term used, the underlying concept is that of a location or area that lacks the presence of any individuals or workers.