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hyperexcitability

[hahy-per-ik-sahy-tuh-bil-i-tee]
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noun Pathology, Psychology.
  1. an excessive reaction to stimuli.
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Origin of hyperexcitability

Related formshy·per·ex·cit·a·ble, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018