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English definition of “overreact”

overreact

verb [I] uk   /ˌəʊ.və.riˈækt/ us    /ˌoʊ.vɚ-/
to react in an extreme, especially an angry or frightened, way: You must learn not to overreact to criticism.Reacting and responding
overreaction
noun [C or U] uk   /-ˈæk.ʃən/ us  
Reacting and responding
(Definition of overreact from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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