The word "hyper" can mean excessively energetic, excited, or agitated. There are many synonyms that share similar meanings to "hyper", such as "wild", "frantic", "manic", "uncontrolled", "intense", and "frenzied". These words can describe a person who is vibrating with energy or can be used to describe an event or situation that is out of control. Other synonyms for "hyper" may include "excessive", "overactive", "overexcited", "overstimulated", and "overzealous". These words can be used to describe things like emotions, behavior, and excitement. Whether used to describe a person or situation, these words all speak to a level of activity and intensity that is beyond the norm.