1. Abnormally or excessively prone to excitement; easily stimulated or aroused to an extreme degree.
Usage: Often used in medical or psychological contexts to describe nervous system sensitivity.; Can describe behavior, temperament, or physiological states.

Examples

• The hyperexcitable child struggled to focus in a busy classroom environment.
• After consuming too much caffeine, he became hyperexcitable and couldn't sit still.
• The patient's hyperexcitable nervous system made her sensitive to loud noises and bright lights.
• Hyperexcitable dogs may bark excessively at minor stimuli.
• The medication helped reduce his hyperexcitable state and improved his sleep quality.
• She noticed her hyperexcitable response to stressful situations was affecting her relationships.