Definition of overreaction noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌəʊvəriˈækʃn//
; NAmE NAmE//ˌoʊvəriˈækʃn//
[singular, uncountable]
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the act of reacting too strongly, especially to something unpleasant an overreaction by the stock market overreaction to something The school is accused of overreaction to the complaints of a few parents.