Overstimulated is a word used to describe a state wherein a person or an animal has been exposed to an excessive amount of stimulation or excitement, causing them to feel overwhelmed or overwrought. If you are looking for synonyms for the word overstimulated, some of the options include hyper-stimulated, overexcited, stimulated to the point of distraction, over-aroused, energized beyond proportion, over-amped, or simply over-energized. Regardless of the term used, it is important to acknowledge that overstimulation can have negative effects on a person's mental and emotional wellbeing and taking steps to mitigate such effects is crucial for maintaining one's overall health and wellness.