1. excessively excited, aroused, or activated; having received too much stimulation
Usage: commonly used in psychology, neurology, and parenting contexts; often describes a state of heightened nervous system activity

Examples

• The toddler became overstimulated after hours at the amusement park and had a meltdown.
• Bright lights and loud noises left her feeling overstimulated and anxious.
• Children with autism may become overstimulated in crowded, chaotic environments.
• After too much caffeine, he felt overstimulated and couldn't focus on his work.
• The overstimulated puppy was jumping and barking uncontrollably.
• Sensory overload can leave people feeling overstimulated and exhausted.