The heebie-jeebies is a slang term that refers to a feeling of nervous or fearful anxiety. Synonyms for heebie-jeebies include jitters, nerves, apprehension, unease, disquiet, panic, and trepidation. If someone gets the heebie-jeebies, they might feel like they're on edge, worried, or scared. People often get the heebie-jeebies when they're facing a new challenge or situation that they're uncertain about. For example, getting the heebie-jeebies before a job interview, a test, or a public speaking engagement is common. Understanding the synonyms for the heebie-jeebies can help you describe your feelings more precisely and communicate more effectively.