There are several synonyms for the term "nervous spirit," all of which convey a sense of anxiety or unease. Some of the most common synonyms include jittery, nervous, edgy, anxious, apprehensive, and jumpy. Other similar terms include uneasy, restless, tense, and skittish. These terms can be used interchangeably to describe a person who is on edge and experiencing feelings of nervousness or uncertainty. Whether caused by a particular situation or simply a naturally nervous disposition, having a nervous spirit can be exhausting and overwhelming. Using these synonyms can help to accurately describe this feeling and articulate it to others.