1. a state of extreme or excessive excitement; intense emotional arousal beyond normal levels
Usage: informal; often used in psychology and behavioral contexts

Examples

• The children's hyperexcitement before the field trip made it difficult for the teacher to maintain order.
• His hyperexcitement about the concert announcement kept him awake all night.
• The dog's hyperexcitement when his owner came home resulted in jumping and barking.
• Hyperexcitement in young children can sometimes indicate sensory overload.
• She tried to manage her hyperexcitement by taking deep breaths before the job interview.
• The team's hyperexcitement after winning the championship was contagious throughout the stadium.