Hyperesthetic is often used to describe someone who is excessively sensitive to sensory stimuli. However, there are many other words that can be used as synonyms for this term. One such word is hypersensitive, which refers to a heightened sensitivity to environmental stimuli. Another synonym is hyperexcitable, which describes someone who is easily aroused or excited. Overreactive is another term that can be used to describe someone who is hyperesthetic, as it indicates an extreme or exaggerated response to stimuli. Additionally, hypervigilant, edgy, and jittery are all words that can be used to describe someone who is hyperesthetic. Whether describing a person or an experience, these synonyms all convey the idea of heightened sensitivity to stimuli.