Home › Words › H › hyperreacthyperreacthyperreact · verb — synonym of overreact.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom hyper- + react. Attested since the 20th century.verbSynonym of overreact.e.g.“Where profits are limited under the regulatory contract, the 'utility' tends to hypercontrol of the market and hyperreact against new entry.” — 1985, Erik Arnold, Competition and Technological Change in the Television Industry:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.overreaction 74% match — A reaction that is excessive. vs hyperreact →hyperreactive 72% match — Showing a much greater than normal response to a stimulus vs hyperreact →overreactivity 71% match — Excessive reactivity vs hyperreact →hyperreactivity 68% match — The condition of being hyperreactive vs hyperreact →hyperreflexive 68% match — Involving overreaction in a reflex response. vs hyperreact →hyperresponse 66% match — An unusually large response vs hyperreact →underreactor 66% match — One who underreacts. vs hyperreact →reactionism 66% match — Synonym of reactionaryism. vs hyperreact →