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See more synonyms for overreact on Thesaurus.com
verb (used without object)
  1. to react or respond more strongly than is necessary or appropriate.
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Origin of overreact

First recorded in 1960–65; over- + react
Related formso·ver·re·ac·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for overreact

scare, overreact, clutch, alarm, stampede, unnerve, startle, terrify

Examples from the Web for overreact

Contemporary Examples of overreact

British Dictionary definitions for overreact


  1. (intr) to react excessively to something
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Derived Formsoverreaction, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

overreact in Medicine


  1. To react with unnecessary or inappropriate force, emotional display, or violence.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.