IPA: /ˌhaɪpəˈrɛsθɪʒə/
KK: /haɪpərɛsˈθiːʒə/
A condition where a person has an increased sensitivity to sensory stimuli, such as touch or sound.
After the accident, she experienced hyperesthesia, making even light touches feel painful.
Hyperesthesia is formed from "hyper-" (meaning over or excessive) and "aisthesis" (from Greek, meaning sensation or perception). The word describes a condition characterized by an excessive sensitivity to sensory stimuli.
Think of 'hyper-' meaning excessive and 'aisthesis' relating to sensation — this helps you remember that hyperesthesia refers to an excessive sensitivity to sensations.